Area code 1-815-XXX-XXXX

State: Illinois

10?&pp=41.8340409961685, 88
  • In service since: 1947
  • Landlines: 618
  • Wireless prefixes: 166
  • Carriers: 60
  • Counties: 32
  • ZIP codes: 221
  • Major cities: Chicago, Rockford, Sterling, Freeport, DeKalb

Area Code 815 has 784 prefixes

Prefix

County

City

Carrier

Type

1-815-364

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-687

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-658

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-361

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-410

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-960

DeKalb

DeKalb

North County Communications Corp. - Ca

Landline

1-815-317

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-415

La Salle

Seneca

Ameritech Illinois

Landline

1-815-605

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-314

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-572

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-310

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-349

DuPage

Oak Brook

Xo Illinois, Inc.

Landline

1-815-260

Cook

Schaumburg

United States Cellular Corp. - Illinois

Wireless

1-815-346

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-888

DeKalb

DeKalb

Level 3 Communications, Llc - Il

Landline

1-815-221

Cook

Chicago

Teleport Communications America, Llc - Il

Landline

1-815-905

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-278

Kankakee

Kankakee

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-719

Bureau

Princeton

Sprint Spectrum L.p.

Wireless

1-815-676

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-823

Cook

Schaumburg

Xo Illinois, Inc.

Landline

1-815-306

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-219

DuPage

Lombard

United States Cellular Corp. - Illinois

Wireless

1-815-651

Cook

Schaumburg

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-312

Winnebago

Rockford

Ymax Communications Corp. - Il

Landline

1-815-318

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-753

DeKalb

DeKalb

Frontier North, Inc. - Il

Landline

1-815-408

Cook

Chicago

Globalcom, Inc.-il

Landline

1-815-209

Winnebago

Rockford

Level 3 Communications, Llc - Il

Landline

1-815-921

Winnebago

Loves Park

Ameritech Illinois

Landline

1-815-797

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-549

Kankakee

Kankakee

Sprint Spectrum L.p.

Wireless

1-815-841

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-821

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-261

Cook

Arlington Heights

Mci Worldcom Communications, Inc. - Il

Landline

1-815-425

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-898

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-386

Kankakee

Kankakee

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-641

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-579

La Salle

La Salle

Sprint Spectrum L.p.

Wireless

1-815-257

La Salle

Streator

Illinois Valley Cellular Rsa 2-ii Partnership

Landline

1-815-315

Winnebago

Rockford

Level 3 Communications, Llc - Il

Landline

1-815-764

DeKalb

DeKalb

United States Cellular Corp. - Illinois

Wireless

1-815-377

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-299

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-516

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-670

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-295

Kane

Elgin

T-mobile Usa, Inc.

Wireless

1-815-876

Bureau

Princeton

Frontier North, Inc. - Il

Landline

1-815-461

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-281

Whiteside

Erie

United States Cellular Corp. - Illinois

Wireless

1-815-914

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-566

Winnebago

Rockford

Level 3 Communications, Llc - Il

Landline

1-815-550

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-508

DeKalb

DeKalb

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-204

DuPage

Hinsdale

Usa Mobility Wireless, Inc.

Wireless

1-815-301

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-970

DeKalb

DeKalb

Sprint Spectrum L.p.

Wireless

1-815-440

Lee

Dixon

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-981

DeKalb

DeKalb

Level 3 Communications, Llc - Il

Landline

1-815-373

Cook

Chicago

Us Xchange Of Illinois Llc Dba Choice One Comm Il

Landline

1-815-608

Winnebago

Rockford

T-mobile Usa, Inc.

Wireless

1-815-216

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-615

Peoria

Peoria

Level 3 Communications, Llc - Il

Landline

1-815-721

Winnebago

Rockford

At&t Local

Landline

1-815-505

Winnebago

Rockford

T-mobile Usa, Inc.

Wireless

1-815-514

DuPage

Willowbrook

Nextel Communications, Inc.

Wireless

1-815-718

Whiteside

Sterling

United States Cellular Corp. - Illinois

Wireless

1-815-752

DeKalb

DeKalb

Frontier North, Inc. - Il

Landline

1-815-214

Kankakee

Kankakee

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-762

DeKalb

DeKalb

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-348

Cook

Chicago

Us Xchange Of Illinois Llc Dba Choice One Comm Il

Landline

1-815-997

Winnebago

Rockford

Mcleodusa Telecommunications Services, Inc.- Il

Landline

1-815-222

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-303

Bureau

Princeton

Illinois Valley Cellular Rsa 2-i Partnership

Landline

1-815-716

Whiteside

Sterling

Sprint Spectrum L.p.

Wireless

1-815-601

Winnebago

Rockford

Bitwise Communications, Inc. - Il

Landline

1-815-631

Whiteside

Sterling

Ameritech Illinois

Landline

1-815-499

Whiteside

Sterling

United States Cellular Corp. - Illinois

Wireless

1-815-908

Stephenson

Freeport

Sprint Communications Company, L.p. - Il

Landline

1-815-973

Lee

Dixon

United States Cellular Corp. - Illinois

Wireless

1-815-345

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-696

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-200

Cook

Chicago

Paetec Communications, Inc. - Il

Landline

1-815-940

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-983

Winnebago

Rockford

American Messaging (am), Inc.

Landline

1-815-319

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-690

Cook

Schaumburg

United States Cellular Corp. - Illinois

Wireless

1-815-990

Stephenson

Freeport

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-954

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-512

Cook

Chicago

Globalcom, Inc.-il

Landline

1-815-494

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-289

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-761

DeKalb

DeKalb

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-953

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-999

Cook

Schaumburg

United States Cellular Corp. - Illinois

Wireless

1-815-710

DuPage

Oak Brook

At&t Local

Landline

1-815-509

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-988

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-370

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-871

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-951

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-739

DeKalb

DeKalb

Sprint Spectrum L.p.

Wireless

1-815-212

Kane

Elgin

T-mobile Usa, Inc.

Wireless

1-815-262

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-592

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-503

Peoria

Peoria

Sprint Spectrum L.p.

Wireless

1-815-291

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-213

Whiteside

Sterling

United States Cellular Corp. - Illinois

Wireless

1-815-520

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-703

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-649

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-668

Winnebago

Rockford

Neutral Tandem-illinois, Llc - Il

Landline

1-815-451

Cook

Schaumburg

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-992

McLean

Bloomington

Nextel Communications, Inc.

Wireless

1-815-515

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-541

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-540

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-980

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-590

Whiteside

Sterling

Sprint Spectrum L.p.

Wireless

1-815-553

Cook

Chicago

Ovation Communications Of Illinois, Inc.

Landline

1-815-922

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-766

DeKalb

DeKalb

United States Cellular Corp. - Illinois

Wireless

1-815-701

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-952

Carroll

Lanark

Aero North Communications, Inc. - Il

Landline

1-815-618

Stephenson

Freeport

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-529

Kane

Elgin

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-768

Cook

Chicago

Ameritech Illinois

Landline

1-815-354

Kane

Elgin

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-560

Lake

Buffalo Grove

Sprint Spectrum L.p.

Wireless

1-815-519

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-978

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-242

Winnebago

Rockford

Usa Mobility Wireless, Inc.

Wireless

1-815-665

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-878

Peoria

Peoria

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-551

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-793

DeKalb

DeKalb

T-mobile Usa, Inc.

Wireless

1-815-351

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-585

Kane

Elgin

Level 3 Communications, Llc - Il

Landline

1-815-557

DuPage

Aurora

Sprint Spectrum L.p.

Wireless

1-815-852

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-910

La Salle

Mendota

Illinois Valley Cellular Rsa 2-i Partnership

Landline

1-815-573

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-994

Whiteside

Sterling

Sprint Spectrum L.p.

Wireless

1-815-507

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-263

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-621

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-294

DuPage

Hinsdale

Usa Mobility Wireless, Inc.

Wireless

1-815-531

Cook

Hickory Hills

Teleport Communications America, Llc - Il

Landline

1-815-574

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-600

Cook

Hickory Hills

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-757

DeKalb

DeKalb

United States Cellular Corp. - Illinois

Wireless

1-815-298

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-414

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-375

DeKalb

DeKalb

United States Cellular Corp. - Illinois

Wireless

1-815-296

Winnebago

Rockford

Usa Mobility Wireless, Inc.

Wireless

1-815-340

Peoria

Peoria

Comcast Phone Of Illinois, Llc Dba Comco - Il

Landline

1-815-742

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-558

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-380

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-771

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-355

Kane

Elgin

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-656

Winnebago

Rockford

Level 3 Communications, Llc - Il

Landline

1-815-918

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-715

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-276

Cook

Arlington Heights

Teleport Communications America, Llc - Il

Landline

1-815-218

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-587

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-681

Cook

Hickory Hills

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-866

Bureau

Princeton

Illinois Valley Cellular Rsa 2-i Partnership

Landline

1-815-302

DuPage

Aurora

Sprint Spectrum L.p.

Wireless

1-815-275

Stephenson

Freeport

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-217

Cook

Chicago

Digital Network Access Communications, Inc. - Il

Landline

1-815-993

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-405

DuPage

Elmhurst

Sprint Spectrum L.p.

Wireless

1-815-916

Cook

Chicago

Nextel Communications, Inc.

Wireless

1-815-809

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-619

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-829

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-746

La Salle

Marseilles

Marseilles Telephone Co. Of Marseilles

Landline

1-815-272

Kane

Elgin

Mci Worldcom Communications, Inc. - Il

Landline

1-815-543

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-238

Stephenson

Freeport

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-483

DuPage

Aurora

Sprint Spectrum L.p.

Wireless

1-815-441

Whiteside

Sterling

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-751

DeKalb

DeKalb

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-650

Stephenson

Freeport

At&t Local

Landline

1-815-536

DuPage

Hinsdale

Usa Mobility Wireless, Inc.

Wireless

1-815-661

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-378

Winnebago

Rockford

Sprint Spectrum L.p.

Wireless

1-815-985

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-979

Winnebago

Rockford

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-347

Kane

Elgin

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-243

Winnebago

Rockford

United States Cellular Corp. - Illinois

Wireless

1-815-603

Kane

Elgin

T-mobile Usa, Inc.

Wireless

1-815-279

Cook

Chicago

American Messaging (am), Inc.

Landline

1-815-501

DeKalb

Cortland

Sprint Spectrum L.p.

Wireless

1-815-955

DuPage

Elmhurst

Sprint Spectrum L.p.

Wireless

1-815-321

Cook

Chicago

Xo Illinois, Inc.

Landline

1-815-250

La Salle

La Salle

Comcast Phone Of Illinois, Llc Dba Comco - Il

Landline

1-815-366

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-919

Kane

Elgin

T-mobile Usa, Inc.

Wireless

1-815-902

Lee

Dixon

Mediacom Telephony Of Illinois, Llc - Il

Landline

1-815-502

Cook

Chicago

Globalcom, Inc.-il

Landline

1-815-909

DeKalb

DeKalb

T-mobile Usa, Inc.

Wireless

1-815-450

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-662

DuPage

Willowbrook

Level 3 Communications, Llc - Il

Landline

1-815-352

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-655

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-660

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-982

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-228

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-326

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-847

Winnebago

Rockford

Sbc Internet Services, Inc.

Landline

1-815-388

Lake

Buffalo Grove

Sprint Spectrum L.p.

Wireless

1-815-404

Cook

Arlington Heights

Sprint Spectrum L.p.

Wireless

1-815-530

DuPage

Elmhurst

Sprint Spectrum L.p.

Wireless

1-815-210

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-830

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-760

Bureau

Princeton

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-974

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-931

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-861

Cook

Schaumburg

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-382

Cook

Schaumburg

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-343

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-471

La Salle

Marseilles

Illinois Valley Cellular Rsa 2-i Partnership

Landline

1-815-763

Winnebago

Rockford

Answer America Dba Answer Usa

Landline

1-815-482

Cook

Arlington Heights

Sprint Spectrum L.p.

Wireless

1-815-783

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-575

Cook

Schaumburg

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-341

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-353

Kane

Elgin

Cellco Partnership Dba Verizon Wireless - Il

Wireless

1-815-791

DuPage

Elmhurst

Sprint Spectrum L.p.

Wireless

1-815-713

Winnebago

Rockford

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-488

La Salle

Marseilles

Illinois Valley Cellular Rsa 2-i Partnership

Landline

1-815-576

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-528

Cook

Northbrook

Teleport Communications America, Llc - Il

Landline

1-815-546

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-202

Cook

Hickory Hills

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-644

DuPage

Willowbrook

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-671

DuPage

Elmhurst

Level 3 Communications, Llc - Il

Landline

1-815-891

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-707

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-798

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-693

DuPage

Elmhurst

Sprint Spectrum L.p.

Wireless

1-815-583

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-532

DuPage

Hinsdale

Usa Mobility Wireless, Inc.

Wireless

1-815-712

Lake

Buffalo Grove

Sprint Spectrum L.p.

Wireless

1-815-374

Cook

Chicago

Us Xchange Of Illinois Llc Dba Choice One Comm Il

Landline

1-815-274

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-236

Cook

Schaumburg

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-417

Will

Braidwood

Ameritech Illinois

Landline

1-815-325

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-820

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-775

DuPage

Hinsdale

Usa Mobility Wireless, Inc.

Wireless

1-815-617

DuPage

Oak Brook

At&t Local

Landline

1-815-610

McLean

Bloomington

Bitwise Communications, Inc. - Il

Landline

1-815-790

Cook

Arlington Heights

Sprint Spectrum L.p.

Wireless

1-815-900

Cook

Schaumburg

Denali Spectrum License, Llc

Landline

1-815-870

Winnebago

Rockford

Usa Mobility Wireless, Inc.

Wireless

1-815-769

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-252

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-735

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-996

Lee

Dixon

Nextel Communications, Inc.

Wireless

1-815-972

Winnebago

Rockford

Ameritech Illinois

Landline

1-815-266

Stephenson

Freeport

Frontier North, Inc. - Il

Landline

1-815-207

Cook

Hickory Hills

At&t Local

Landline

1-815-300

Will

New Lenox

Ameritech Illinois

Landline

1-815-924

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-685

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-489

Winnebago

Rockford

Ameritech Illinois

Landline

1-815-674

McLean

Bloomington

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-755

DeKalb

DeKalb

American Messaging (am), Inc.

Landline

1-815-669

Cook

Chicago

Level 3 Communications, Llc - Il

Landline

1-815-814

Cook

Chicago

T-mobile Usa, Inc.

Wireless

1-815-642

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-803

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-912

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-545

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-215

Cook

Chicago

Globalcom, Inc.-il

Landline

1-815-342

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-612

McLean

Bloomington

Bitwise Communications, Inc. - Il

Landline

1-815-720

Winnebago

Rockford

Ameritech Illinois

Landline

1-815-927

Cook

Arlington Heights

Broadwing Communications, Llc - Il

Landline

1-815-819

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-794

La Salle

Marseilles

Marseilles Telephone Co. Of Marseilles

Landline

1-815-383

DuPage

Willowbrook

New Cingular Wireless Pcs, Llc - Il

Wireless

1-815-785

Cook

Chicago

Rcn Telecom Services Of Illinois, Inc. - Il

Landline

1-815-297

Stephenson

Freeport

Frontier North, Inc. - Il

Landline

1-815-593

DeKalb

DeKalb

At&t Local

Landline

1-815-986

Winnebago

Rockford

Us Xchange Of Illinois Llc Dba Choice One Comm Il

Landline

1-815-333

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-487

Cook

Chicago

Globalcom, Inc.-il

Landline

1-815-559

Whiteside

Sterling

Essex Telcom, Inc.

Landline

1-815-840

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-810

Stephenson

Freeport

Aero North Communications, Inc. - Il

Landline

1-815-268

Iroquois

Onarga

Ameritech Illinois

Landline

1-815-371

Cook

Chicago

Broadwing Communications, Llc - Il

Landline

1-815-971

Winnebago

Rockford

Ameritech Illinois

Landline

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