Area code 1-301-XXX-XXXX

State: Maryland

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  • In service since: 1947
  • Landlines: 627
  • Wireless prefixes: 147
  • Carriers: 34
  • Counties: 17
  • ZIP codes: 103
  • Major cities: Beltsville, Silver Spring, Hyattsville, Washington, Frederick

Area Code 301 has 774 prefixes

Prefix

County

City

Carrier

Type

1-301-523

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-425

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-242

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-413

Montgomery

Rockville

Verizon Maryland, Inc.

Landline

1-301-575

Fairfax

McLean

Us Lec Of Maryland, Inc.

Landline

1-301-480

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-232

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-394

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-276

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-886

Prince Georges

Laurel

Verizon Maryland, Inc.

Landline

1-301-658

Fairfax

McLean

Teleport Communications America, Llc - Dc

Landline

1-301-418

Frederick

Frederick

Verizon Maryland, Inc.

Landline

1-301-861

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-723

Allegany

Cumberland

Verizon Maryland, Inc.

Landline

1-301-852

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-880

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-993

Prince Georges

College Park

Verizon Maryland, Inc.

Landline

1-301-804

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-323

Prince Georges

Laurel

Tw Telecom Of Maryland Llc - Md

Landline

1-301-546

Washington

Hagerstown

Usa Mobility Wireless, Inc.

Wireless

1-301-734

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-435

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-859

Frederick

Frederick

Level 3 Communications, Llc - Md

Landline

1-301-284

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-851

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-761

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-239

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-902

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-903

Montgomery

Germantown

Verizon Maryland, Inc.

Landline

1-301-531

Prince Georges

Lanham

Starpower Communications, Llc - Md

Landline

1-301-715

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-640

Montgomery

Gaithersburg

Verizon Maryland, Inc.

Landline

1-301-321

Montgomery

Chevy Chase

Telcove Operations, Inc. - Md

Landline

1-301-257

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-269

Montgomery

Damascus

Usa Mobility Wireless, Inc.

Wireless

1-301-793

Prince Georges

Beltsville

Omnipoint Communications Cap Operations, Llc

Wireless

1-301-406

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-957

Howard

Annapolis Junction

Mcimetro Access Transmission Services Llc

Landline

1-301-238

Prince Georges

Temple Hills

Verizon Maryland, Inc.

Landline

1-301-666

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-458

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-626

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-357

Prince Georges

Beltsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-875

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-728

Prince Georges

Beltsville

Omnipoint Communications Cap Operations, Llc

Wireless

1-301-825

Prince Georges

Beltsville

At&t Local

Landline

1-301-979

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-268

Allegany

Cumberland

Uscoc Of Cumberland, Inc. Dba United States Cel Md

Landline

1-301-691

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-821

Howard

Annapolis Junction

At&t Local

Landline

1-301-267

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-254

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-256

Prince Georges

Beltsville

Mcimetro Access Transmission Services Llc

Landline

1-301-404

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-751

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-479

Fairfax

Reston

Mci Worldcom Communications, Inc. - Md

Landline

1-301-922

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-707

Allegany

Cumberland

Uscoc Of Cumberland, Inc. Dba United States Cel Md

Landline

1-301-367

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-823

District of Columbia

Washington

At&t Local

Landline

1-301-841

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-904

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-500

Prince Georges

Beltsville

Xo Maryland, Llc

Landline

1-301-892

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-331

Frederick

Monrovia

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-747

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-526

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-643

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-337

Howard

Annapolis Junction

Mci Worldcom Communications, Inc. - Md

Landline

1-301-437

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-710

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-389

Prince Georges

Laurel

Tw Telecom Of Maryland Llc - Md

Landline

1-301-300

Prince Georges

Beltsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-792

Prince Georges

Beltsville

Omnipoint Communications Cap Operations, Llc

Wireless

1-301-405

Montgomery

Chevy Chase

Paetec Communications, Inc. - Md

Landline

1-301-837

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-785

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-974

Howard

Annapolis Junction

Starpower Communications, Llc - Md

Landline

1-301-379

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-536

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-978

Montgomery

Gaithersburg

Verizon Maryland, Inc.

Landline

1-301-752

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-222

Fairfax

Herndon

Cavalier Telephone Mid-atlantic, Llc - Md

Landline

1-301-237

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-775

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-708

Baltimore City

Baltimore

Cavalier Telephone Mid-atlantic, Llc - Md

Landline

1-301-440

Montgomery

Silver Spring

Sprint Spectrum L.p. - Md

Wireless

1-301-512

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-760

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-213

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-442

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-510

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-917

Prince Georges

Lanham

Starpower Communications, Llc - Md

Landline

1-301-787

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-876

Allegany

Cumberland

Level 3 Communications, Llc - Md

Landline

1-301-613

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-764

Charles

Waldorf

Verizon Maryland, Inc.

Landline

1-301-996

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-233

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-910

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-741

Howard

Annapolis Junction

Level 3 Communications, Llc - Md

Landline

1-301-325

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-602

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-672

Montgomery

Silver Spring

Sprint Spectrum L.p.

Wireless

1-301-806

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-981

Prince Georges

Laurel

Tw Telecom Of Maryland Llc - Md

Landline

1-301-873

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-395

Baltimore City

Baltimore

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-783

Washington

Hagerstown

New Frontiers Telecommunications, Inc.

Landline

1-301-789

Prince Georges

Hyattsville

Core Communications, Inc. - Pa

Landline

1-301-966

Montgomery

Silver Spring

Mcimetro Access Transmission Services Llc

Landline

1-301-525

Howard

Annapolis Junction

Quantum Telecommunications, Inc. - Md

Landline

1-301-272

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-943

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-356

Howard

Annapolis Junction

Vdl, Inc. Dba Global Telecom Brokers - Md

Landline

1-301-291

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-905

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-377

Loudoun

Sterling

Comcast Phone Of Northern Maryland, Inc. - Md

Landline

1-301-807

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-616

Allegany

Cumberland

Uscoc Of Cumberland, Inc. Dba United States Cel Md

Landline

1-301-557

District of Columbia

Washington

Broadwing Communications. Llc - Md

Landline

1-301-376

Prince Georges

Laurel

Verizon Maryland, Inc.

Landline

1-301-343

Montgomery

Silver Spring

Sprint Spectrum L.p. - Md

Wireless

1-301-281

Prince Georges

Beltsville

Mcimetro Access Transmission Services Llc

Landline

1-301-452

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-802

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-850

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-455

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-717

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-653

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-204

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-704

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-800

Frederick

Monrovia

Virginia Pcs Alliance, L.c.

Landline

1-301-693

Frederick

Frederick

Omnipoint Communications Cap Operations, Llc

Wireless

1-301-712

Frederick

Frederick

Mcimetro Access Transmission Services Llc

Landline

1-301-266

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-940

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-674

Montgomery

Silver Spring

Sprint Spectrum L.p.

Wireless

1-301-287

Montgomery

Potomac

Mcimetro Access Transmission Services Llc

Landline

1-301-524

Frederick

Frederick

Sprint Spectrum L.p.

Wireless

1-301-488

Prince Georges

College Park

Verizon Maryland, Inc.

Landline

1-301-502

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-305

Frederick

Frederick

Sprint Spectrum L.p.

Wireless

1-301-768

Prince Georges

Beltsville

Level 3 Communications, Llc - Md

Landline

1-301-844

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-685

Fairfax

McLean

Teleport Communications America, Llc - Dc

Landline

1-301-202

District of Columbia

Washington

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-401

Frederick

Monrovia

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-803

District of Columbia

Washington

Verizon Maryland, Inc.

Landline

1-301-930

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-938

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-335

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-828

District of Columbia

Washington

At&t Local

Landline

1-301-706

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-250

Prince Georges

Beltsville

Mcimetro Access Transmission Services Llc

Landline

1-301-542

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-399

Montgomery

Silver Spring

Sprint Spectrum L.p.

Wireless

1-301-364

Fairfax

Reston

Mci Worldcom Communications, Inc. - Md

Landline

1-301-361

Prince Georges

Laurel

Tw Telecom Of Maryland Llc - Md

Landline

1-301-351

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-366

Montgomery

Silver Spring

Sprint Spectrum L.p. - Md

Wireless

1-301-980

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-908

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-398

Montgomery

Rockville

Verizon Maryland, Inc.

Landline

1-301-818

Charles

Waldorf

Verizon Maryland, Inc.

Landline

1-301-310

Baltimore City

Baltimore

Verizon Maryland, Inc.

Landline

1-301-537

Prince Georges

Beltsville

Sprint Spectrum L.p.

Wireless

1-301-628

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-285

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-651

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-756

Prince Georges

Laurel

Tw Telecom Of Maryland Llc - Md

Landline

1-301-832

Prince Georges

Hyattsville

At&t Local

Landline

1-301-547

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-973

Howard

Columbia

Verizon Maryland, Inc.

Landline

1-301-247

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-520

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-677

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-282

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-830

Prince Georges

Hyattsville

At&t Local

Landline

1-301-467

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-219

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-584

Montgomery

Chevy Chase

Baltimore-washington Telephone Bwt

Landline

1-301-836

Prince Georges

Temple Hills

Verizon Maryland, Inc.

Landline

1-301-801

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-252

Montgomery

Silver Spring

Sprint Spectrum L.p. - Md

Wireless

1-301-697

Frederick

Monrovia

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-606

Frederick

Frederick

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-534

District of Columbia

Washington

Ymax Communications Corp. - Md

Landline

1-301-370

Montgomery

Silver Spring

Sprint Spectrum L.p. - Md

Wireless

1-301-433

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-543

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-758

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-688

Prince Georges

Laurel

Verizon Maryland, Inc.

Landline

1-301-339

Fairfax

Herndon

Cavalier Telephone Mid-atlantic, Llc - Md

Landline

1-301-496

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-944

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-344

Prince Georges

College Park

Verizon Maryland, Inc.

Landline

1-301-639

Frederick

Frederick

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-795

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-848

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-556

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-675

Prince Georges

Beltsville

Omnipoint Communications Cap Operations, Llc

Wireless

1-301-503

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-535

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-633

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-618

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-462

Washington

Hagerstown

Sprint Spectrum L.p. - Md

Wireless

1-301-637

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-461

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-491

Frederick

Frederick

Uscoc Of Cumberland, Inc. Dba United States Cel Md

Landline

1-301-466

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-514

Frederick

Frederick

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-481

District of Columbia

Washington

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-659

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-506

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-642

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-529

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-716

Prince Georges

Beltsville

Verizon Maryland, Inc.

Landline

1-301-641

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-332

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-576

Montgomery

Chevy Chase

Paetec Communications, Inc. - Md

Landline

1-301-928

Prince Georges

Hyattsville

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-235

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-988

Frederick

Frederick

Uscoc Of Cumberland, Inc. Dba United States Cel Md

Landline

1-301-385

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-465

Washington

Hagerstown

Sprint Spectrum L.p. - Md

Wireless

1-301-471

Frederick

Frederick

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-655

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-744

Charles

Indian Head

Verizon Maryland, Inc.

Landline

1-301-223

Washington

Williamsport

Verizon Maryland, Inc.

Landline

1-301-730

Frederick

Monrovia

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-648

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-580

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-867

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-538

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-833

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-573

Washington

Hagerstown

Sprint Spectrum L.p. - Md

Wireless

1-301-518

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-522

Montgomery

Rockville

Verizon Maryland, Inc.

Landline

1-301-221

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-748

Frederick

Frederick

Sprint Spectrum L.p.

Wireless

1-301-295

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-243

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-509

Howard

Annapolis Junction

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-992

Washington

Hagerstown

Sprint Spectrum L.p. - Md

Wireless

1-301-965

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-788

Frederick

Frederick

Cellco Partnership Dba Verizon Wireless - Md

Wireless

1-301-991

Washington

Hagerstown

Sprint Spectrum L.p. - Md

Wireless

1-301-501

Frederick

Monrovia

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-318

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-955

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-683

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-560

Montgomery

Chevy Chase

Paetec Communications, Inc. - Md

Landline

1-301-956

Howard

Annapolis Junction

Verizon Maryland, Inc.

Landline

1-301-427

Montgomery

Silver Spring

Verizon Maryland, Inc.

Landline

1-301-701

Prince Georges

Hyattsville

Verizon Maryland, Inc.

Landline

1-301-742

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-919

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-448

Prince Georges

Hyattsville

Comcast Phone Of Northern Maryland, Inc. - Md

Landline

1-301-646

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-206

Prince Georges

Laurel

Verizon Maryland, Inc.

Landline

1-301-358

Fairfax

McLean

Level 3 Communications, Llc - Md

Landline

1-301-906

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-400

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-553

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-591

Montgomery

Chevy Chase

Paetec Communications, Inc. - Md

Landline

1-301-820

Prince Georges

Beltsville

At&t Local

Landline

1-301-412

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-826

Saint Marys

Lexington Park

Verizon Maryland, Inc.

Landline

1-301-346

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-329

Anne Arundel

Hanover

Cavalier Telephone Mid-atlantic, Llc - Md

Landline

1-301-275

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-561

Montgomery

Chevy Chase

Baltimore-washington Telephone Bwt

Landline

1-301-308

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-615

Prince Georges

College Park

Verizon Maryland, Inc.

Landline

1-301-976

Montgomery

Chevy Chase

Baltimore-washington Telephone Bwt

Landline

1-301-995

Saint Marys

Patuxent River

Verizon Maryland, Inc.

Landline

1-301-240

Montgomery

Gaithersburg

Verizon Maryland, Inc.

Landline

1-301-286

Prince Georges

College Park

Verizon Maryland, Inc.

Landline

1-301-813

Montgomery

Chevy Chase

Baltimore-washington Telephone Bwt

Landline

1-301-817

Prince Georges

District Heights

Verizon Maryland, Inc.

Landline

1-301-354

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-660

Washington

Hagerstown

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-763

Prince Georges

District Heights

Verizon Maryland, Inc.

Landline

1-301-968

Fairfax

Reston

Mci Worldcom Communications, Inc. - Md

Landline

1-301-778

District of Columbia

Washington

Mci Worldcom Communications, Inc. - Md

Landline

1-301-319

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-207

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-225

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-814

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-224

Montgomery

Silver Spring

Usa Mobility Wireless, Inc.

Wireless

1-301-661

Prince Georges

Beltsville

New Cingular Wireless Pcs, Llc - Dc

Wireless

1-301-298

District of Columbia

Washington

Mcimetro Access Transmission Services Llc

Landline

1-301-727

Montgomery

Chevy Chase

Baltimore-washington Telephone Bwt

Landline

1-301-647

Prince Georges

Laurel

Verizon Maryland, Inc.

Landline

1-301-822

District of Columbia

Washington

At&t Local

Landline

1-301-280

Montgomery

Chevy Chase

Verizon Maryland, Inc.

Landline

1-301-594

Montgomery

Bethesda

Verizon Maryland, Inc.

Landline

1-301-541

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

1-301-623

District of Columbia

Washington

Teleport Communications America, Llc - Dc

Landline

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