Area Code 423 phone numbers
State: Tennessee
In service since: 1995
Landlines: 415
Wireless prefixes: 234
Carriers: 61
Counties: 30
ZIP codes: 86
Major cities: Chattanooga, Knoxville, Johnson City, Bristol, Kingsport
Area Code 423 has 642 prefixes
| Prefix | County | City | Carrier |
|---|---|---|---|
| 1-423-200 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-201 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-202 | Sullivan | Bristol | Brooks Fiber Communications Of Tennessee, Inc.- Tn |
| 1-423-205 | Knox | Knoxville | Neutral Tandem-tennessee, Llc - Tn |
| 1-423-206 | Hamilton | Chattanooga | Usa Mobility Wireless, Inc. |
| 1-423-207 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-208 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-209 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-210 | Knox | Knoxville | United States Cellular Corp. - Tennessee |
| 1-423-212 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-213 | Washington | Johnson City | Sprint Spectrum L.p. |
| 1-423-214 | Knox | Knoxville | United States Cellular Corp. - Tennessee |
| 1-423-215 | Scott | Oneida | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-216 | Hamilton | Chattanooga | Network Telephone Corporation - Tn |
| 1-423-217 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-218 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-219 | Hamilton | Chattanooga | Network Telephone Corporation - Tn |
| 1-423-220 | Washington | Johnson City | Us Lec Of Tennessee, Inc |
| 1-423-221 | Hamilton | Chattanooga | Usa Mobility Wireless, Inc. |
| 1-423-222 | Hamblen | Morristown | Pagepro Corporation |
| 1-423-223 | Scott | Oneida | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-224 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-225 | Hamilton | Chattanooga | Alec, Llc - Tn |
| 1-423-226 | Washington | Johnson City | Bandwidth.com Clec, Llc - Tn |
| 1-423-227 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-228 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-229 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-230 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-231 | Knox | Knoxville | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-232 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-233 | Washington | Johnson City | Pro Page Partners, Llc |
| 1-423-234 | Greene | Greeneville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-235 | Greene | Bulls Gap | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-236 | Hamilton | Apison | Centurytel Ooltewah-collegedale Dba Centurylink |
| 1-423-237 | Knox | Knoxville | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-238 | Hamilton | Ooltewah | Centurytel Ooltewah-collegedale Dba Centurylink |
| 1-423-239 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-240 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-241 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-242 | Hamilton | Chattanooga | Teleport Communications America, Llc - Tn |
| 1-423-243 | Hamilton | Chattanooga | Teleport Communications America, Llc - Tn |
| 1-423-244 | Hamilton | Chattanooga | Teleport Communications America, Llc - Tn |
| 1-423-245 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-246 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-247 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-248 | Knox | Knoxville | United States Cellular Corp. - Tennessee |
| 1-423-249 | Bell | Middlesboro | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-250 | Hamilton | Chattanooga | Twin Lakes Communications, Inc. - Tn |
| 1-423-251 | Washington | Johnson City | Metro Pcs, Inc. |
| 1-423-252 | Knox | Knoxville | Us Lec Of Tennessee, Inc |
| 1-423-253 | Monroe | Tellico Plains | Tellico Telephone Co., Inc. |
| 1-423-254 | Knox | Knoxville | Business Telecom Inc. - Bti - Tn |
| 1-423-255 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-256 | Hawkins | Church Hill | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-257 | Greene | Limestone | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-258 | Knox | Knoxville | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-259 | Claiborne | New Tazewell | United States Cellular Corp. - Tennessee |
| 1-423-260 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-261 | Monroe | Coker Creek | Tellico Telephone Co., Inc. |
| 1-423-262 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-263 | McMinn | Etowah | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-264 | Knox | Knoxville | Comcast Phone Of Tennessee, Llc - Tn |
| 1-423-265 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-266 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-267 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-268 | Sullivan | Bristol | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-269 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-270 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-271 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-272 | Hawkins | Rogersville | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-273 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-274 | Sullivan | Bristol | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-275 | Hamilton | Chattanooga | Pager One Of Florida - Tennessee |
| 1-423-276 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-277 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-278 | Sullivan | Bristol | Telcove Operations, Inc. - Tn |
| 1-423-279 | Sullivan | Blountville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-280 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-281 | Washington | Johnson City | Charter Fiberlink - Tennessee, Llc - Tn |
| 1-423-282 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-283 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-284 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-285 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-286 | Scott | Oneida | Highland Telephone Cooperative, Inc. - Tn |
| 1-423-287 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-288 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-289 | Knox | Knoxville | At&t Local |
| 1-423-290 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-291 | Washington | Johnson City | Sprint Spectrum L.p. |
| 1-423-292 | Washington | Johnson City | Suncom Dba T-mobile Usa |
| 1-423-293 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-294 | Hamilton | Chattanooga | Centurytel Acq Llc Dba Centurylink Acquisition Tn |
| 1-423-295 | Monroe | Tellico Plains | Tellico Telephone Co., Inc. |
| 1-423-296 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-297 | Sullivan | Bristol | Telcove Operations, Inc. - Tn |
| 1-423-298 | Hamilton | Chattanooga | At&t Local |
| 1-423-299 | Hamilton | Chattanooga | Level 3 Communications, Llc - Tn |
| 1-423-300 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-301 | Hamilton | Chattanooga | Brooks Fiber Communications Of Tennessee, Inc.- Tn |
| 1-423-302 | Washington | Johnson City | Bandwidth.com Clec, Llc - Tn |
| 1-423-303 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-304 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-305 | Hamilton | Chattanooga | Comcast Phone Of Tennessee, Llc - Tn |
| 1-423-306 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-307 | Knox | Knoxville | Windstream Norlight, Inc. - Tn |
| 1-423-308 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-309 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-310 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-312 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-313 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-314 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-315 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-316 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-317 | Hamblen | Morristown | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-318 | Hamblen | Morristown | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-319 | Scott | Huntsville | Highland Telephone Cooperative, Inc. - Tn |
| 1-423-320 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-321 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-322 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-323 | Sullivan | Blountville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-324 | Morgan | Petros | Highland Telephone Cooperative, Inc. - Tn |
| 1-423-325 | Sullivan | Blountville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-326 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-327 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-328 | Washington | Johnson City | Comcast Phone Of Tennessee, Llc - Tn |
| 1-423-329 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-330 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-331 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-332 | Hamilton | Soddy Daisy | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-333 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-334 | Meigs | Decatur | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-335 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-336 | Bradley | Charleston | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-337 | Monroe | Sweetwater | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-338 | Polk | Benton | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-339 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-340 | Washington | Johnson City | Sprint Spectrum L.p. |
| 1-423-341 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-342 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-343 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-344 | Hamilton | Harrison | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-345 | Hawkins | Surgoinsville | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-346 | Morgan | Wartburg | Highland Telephone Cooperative, Inc. - Tn |
| 1-423-347 | Knox | Knoxville | Network Telephone Corporation - Tn |
| 1-423-348 | Greene | Fall Branch | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-349 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-350 | Jackson | Carbondale | Si Wireless, Llc |
| 1-423-351 | Monroe | Sweetwater | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-352 | Knox | Knoxville | Us Lec Of Tennessee, Inc |
| 1-423-353 | Knox | Knoxville | Windstream Norlight, Inc. - Tn |
| 1-423-354 | Sullivan | Blountville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-355 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-356 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-357 | Hawkins | Church Hill | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-358 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-359 | Greene | Greeneville | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-360 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-361 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-362 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-363 | Scott | Huntsville | United States Cellular Corp. - Tennessee |
| 1-423-364 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-365 | Rhea | Spring City | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-366 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-367 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-368 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-369 | Morgan | Oakdale | Highland Telephone Cooperative, Inc. - Tn |
| 1-423-370 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-371 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-372 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-373 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-375 | Hamilton | Chattanooga | At&t Corp. |
| 1-423-376 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-377 | Knox | Knoxville | United States Cellular Corp. - Tennessee |
| 1-423-378 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-379 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-380 | Hamilton | Chattanooga | Bandwidth.com Clec, Llc - Tn |
| 1-423-381 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-382 | Knox | Knoxville | Alec, Llc - Tn |
| 1-423-383 | Washington | Johnson City | Suncom Dba T-mobile Usa |
| 1-423-384 | Washington | Johnson City | Suncom Dba T-mobile Usa |
| 1-423-385 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-386 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-387 | Hamilton | Chattanooga | Metro Beeper Service, Inc. |
| 1-423-388 | Sullivan | Bristol | Sprint Spectrum L.p. |
| 1-423-389 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-390 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-391 | Sullivan | Bluff City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-392 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-393 | Knox | Knoxville | Charter Fiberlink - Tennessee, Llc - Tn |
| 1-423-394 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-395 | Hamilton | Chattanooga | Usa Mobility Wireless, Inc. |
| 1-423-396 | Hamilton | Ooltewah | Centurytel Ooltewah-collegedale Dba Centurylink |
| 1-423-397 | Hamilton | Chattanooga | Bandwidth.com Clec, Llc - Tn |
| 1-423-398 | Washington | Johnson City | Sprint Spectrum L.p. |
| 1-423-399 | Knox | Knoxville | Usa Mobility Wireless, Inc. |
| 1-423-400 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-401 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-402 | Hamilton | Chattanooga | Bandwidth.com Clec, Llc - Tn |
| 1-423-403 | Hamilton | Chattanooga | Bandwidth.com Clec, Llc - Tn |
| 1-423-404 | Knox | Knoxville | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-405 | Knox | Knoxville | Sprint Spectrum L.p. |
| 1-423-406 | Washington | Johnson City | Comcast Phone Of Tennessee, Llc - Tn |
| 1-423-407 | Knox | Knoxville | Usa Mobility Wireless, Inc. |
| 1-423-408 | Sullivan | Bristol | Teleport Communications America, Llc - Tn |
| 1-423-409 | Knox | Knoxville | Usa Mobility Wireless, Inc. |
| 1-423-410 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-412 | Washington | Johnson City | Usa Mobility Wireless, Inc. |
| 1-423-413 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-414 | Hamilton | Chattanooga | Peace Communications, Llc - Tn |
| 1-423-415 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-416 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-417 | Hamilton | Chattanooga | Brooks Fiber Communications Of Tennessee, Inc.- Tn |
| 1-423-418 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-419 | Boyle | Danville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-420 | Monroe | Madisonville | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-421 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-422 | Greene | Mosheim | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-424 | Hamilton | Chattanooga | Us Lec Of Tennessee, Inc |
| 1-423-425 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-426 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-427 | Washington | Johnson City | Usa Mobility Wireless, Inc. |
| 1-423-428 | Hamilton | Chattanooga | Deltacom, Inc. - Tn |
| 1-423-429 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-430 | Sullivan | Bristol | 365 Wireless, Llc |
| 1-423-431 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-432 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-433 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-434 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-435 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-436 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-437 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-438 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-439 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-440 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-441 | Clark | Winchester | Sprint Spectrum L.p. |
| 1-423-442 | Monroe | Madisonville | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-443 | Hamilton | Chattanooga | Level 3 Communications, Llc - Tn |
| 1-423-444 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-445 | Knox | Knoxville | At&t Corp. |
| 1-423-446 | Washington | Johnson City | Centurylink Communications Llc |
| 1-423-447 | Bledsoe | Pikeville | Bledsoe Telephone Cooperative |
| 1-423-448 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-449 | Knox | Knoxville | Deltacom, Inc. - Tn |
| 1-423-450 | Washington | Johnson City | Comcast Phone Of Tennessee, Llc - Tn |
| 1-423-451 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-452 | Rhea | Spring City | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-453 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-454 | Hamilton | Chattanooga | Level 3 Communications, Llc - Tn |
| 1-423-455 | Knox | Knoxville | Level 3 Communications, Llc - Tn |
| 1-423-456 | Knox | Knoxville | Telnyx Llc |
| 1-423-457 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-458 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-459 | |||
| 1-423-460 | Washington | Johnson City | Bandwidth.com Clec, Llc - Tn |
| 1-423-461 | Washington | Johnson City | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-462 | McMinn | Riceville | Tellico Telephone Co., Inc. |
| 1-423-463 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-464 | Hamilton | Chattanooga | Powertel Atlanta Licenses, Inc. |
| 1-423-465 | Knox | Knoxville | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-466 | Knox | Knoxville | Powertel Nashville Licenses, Inc. |
| 1-423-467 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-468 | Hamilton | Chattanooga | Covista, Inc. - Tn |
| 1-423-469 | Knox | Knoxville | Usa Mobility Wireless, Inc. |
| 1-423-470 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-471 | Washington | Johnson City | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-472 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-473 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-474 | Carter | Elizabethton | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-475 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-476 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-477 | Sullivan | Kingsport | United Telephone-southeast-tn Dba Centurylink - Tn |
| 1-423-478 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-479 | Bradley | Cleveland | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-480 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-481 | Washington | Johnson City | Bandwidth.com Clec, Llc - Tn |
| 1-423-482 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-483 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-484 | Washington | Johnson City | Level 3 Communications, Llc - Tn |
| 1-423-485 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-486 | Hamilton | Chattanooga | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-487 | Cocke | Hartford | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-488 | Hamilton | Chattanooga | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-489 | Whitley | Corbin | New Cingular Wireless Pcs, Llc - Ga |
| 1-423-490 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-491 | Sullivan | Bristol | Centurylink Communications Llc |
| 1-423-492 | Hamblen | Morristown | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-493 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-494 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-495 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-496 | Polk | Copperhill | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-497 | Hamilton | Chattanooga | Metro Pcs, Inc. |
| 1-423-498 | Hamilton | Chattanooga | Electric Power Board Of Chattanooga |
| 1-423-499 | Hamilton | Chattanooga | Bellsouth Telecomm Inc Dba South Central Bell Tel |
| 1-423-500 | Knox | Knoxville | Charter Fiberlink - Tennessee, Llc - Tn |
| 1-423-502 | Sullivan | Bristol | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-503 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-504 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-505 | Hamilton | Chattanooga | Sprint Spectrum L.p. |
| 1-423-506 | Knox | Knoxville | Cellco Partnership Dba Verizon Wireless - Tn |
| 1-423-507 | McMinn | Athens | Bellsouth Telecomm Inc Dba South Central Bell Tel |