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423 area code

Area code 423 is in Tennessee (TN), USA and some of the main locations covered are Chattanooga, Johnson City, Kingsport, .. (jump to city list below).

Area code 423 has been in service since September 11, 1995.

Area code 423 spans two different time zones. The current time is either 07:33:16 AM (Eastern Time) or 06:33:16 AM (Central Time), depending on where you are calling (scroll down for a city list with time zones).

Reverse phone lookup


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Map of area code 423

More Tennessee area codes

NPANXX1 Area served2 Date3
423-200 Morristown 7/18/2002
423-201 Lafollette 7/18/2002
423-202 Johnson City 12/16/2003
423-203 Chattanooga 2/3/2022
423-205 Etowah 3/9/2016
423-206 Chattanooga 11/30/2018
423-207 Midway
423-208 Chattanooga 11/1/2006
423-209 Chattanooga
423-210 Tellico Plains
423-212 Blountville 7/18/2002
423-213 Elizabethton 11/7/2001
423-214 Englewood
423-215 Oneida 12/3/2004
423-216 Benton 4/28/2005
423-217 Bristol 7/18/2002
423-218 Johnson City 7/18/2002
423-219 Charleston 10/1/2019
423-220 Erwin 4/4/2001
423-221 Chattanooga
423-222 Morristown
423-223 Oneida 11/30/2006
423-224 Kingsport
423-225 Benton
423-226 Church Hill 5/28/2010
423-227 Chattanooga
423-228 South Pittsbg
423-229 Kingsport
423-230 Kingsport
423-231 Morristown
423-232 Johnson City
423-233 Johnson City
423-234 Baileyton
423-235 Bulls Gap
423-236 Apison
423-237 Newport
423-238 Ooltewah
423-239 Midway (Sullivan)
423-240 Chattanooga
423-241 Copper Basin 4/11/2003
423-242 Chattanooga
423-243 Soddy-Daisy
423-244 Cleveland
423-245 Kingsport
423-246 Kingsport
423-247 Kingsport
423-248 Newport
423-249 Fork Ridge
423-250 Cleveland 4/27/2017
423-251 Kingsport 1/5/2017
423-252 Athens
423-253 Tellico Plains
423-254 Morristown
423-255 Chattanooga
423-256 Church Hill
423-257 Limestone
423-258 Morristown
423-259 New Tazewell 4/27/2004
423-260 Chattanooga 8/20/2007
423-261 Coker Creek
423-262 Johnson City
423-263 Etowah
423-264 Vonore 7/21/2011
423-265 Chattanooga
423-266 Chattanooga
423-267 Chattanooga
423-268 Johnson City 6/8/2012
423-269 Chattanooga 1/20/2017
423-270 Erwin 4/24/2013
423-271 Sweetwater 4/14/2011
423-272 Rogersville
423-273 Morristown
423-274 Bristol
423-275 Chattanooga 6/30/2022
423-276 Kingsport
423-277 Morristown 8/29/2001
423-278 Greeneville
423-279 Blountville
423-280 Chattanooga
423-281 Butler 11/1/2011
423-282 Johnson City
423-283 Johnson City
423-284 Cleveland
423-285 Dayton
423-286 Oneida
423-287 Chattanooga
423-288 Kingsport
423-289 Morristown 6/18/2001
423-290 Chattanooga
423-291 Mountain City 8/31/2001
423-292 Fall Branch
423-293 Rogersville 8/31/2001
423-294 Chattanooga 4/3/2001
423-295 Ball Play
423-296 Chattanooga
423-297 Elizabethton
423-298 Chattanooga
423-299 Benton 11/2/2003
423-300 Sneedville 4/29/2003
423-301 South Pittsbg 11/28/2011
423-302 Johnson City 11/10/2008
423-303 Cleveland
423-304 Chattanooga
423-305 Chattanooga 2/23/2007
423-306 Midway (Sullivan)
423-307 Morristown 10/24/2005
423-308 Chattanooga
423-309 Chattanooga
423-310 Cleveland 10/11/2002
423-312 Morristown
423-313 Chattanooga 5/9/2001
423-314 Chattanooga
423-315 Chattanooga
423-316 Chattanooga
423-317 Morristown
423-318 Morristown
423-319 Huntsville
423-320 Chattanooga
423-321 Chattanooga
423-322 Chattanooga
423-323 Blountville
423-324 Petros
423-325 Blountville
423-326 Chattanooga
423-327 Bulls Gap
423-328 Johnson City 2/19/2008
423-329 Greeneville 3/6/2002
423-330 Erwin 3/6/2002
423-331 Cleveland
423-332 Soddy-Daisy
423-333 Athens
423-334 Decatur
423-335 Midway (Sullivan)
423-336 Charleston
423-337 Sweetwater
423-338 Benton
423-339 Cleveland
423-340 Bristol
423-341 Bristol
423-342 Elizabethton 3/6/2002
423-343 Kingsport
423-344 Chattanooga
423-345 Surgoinsville
423-346 Wartburg
423-347 Rogersville
423-348 Fall Branch
423-349 Sullivan Gardens
423-350 Bristol 7/1/2022
423-351 Sweetwater
423-352 Lafollette
423-353 Morristown 3/16/2011
423-354 Blountville
423-355 Chattanooga
423-356 Chattanooga 2/28/2001
423-357 Church Hill
423-358 Rogersville 3/7/2002
423-359 Greeneville 8/13/2002
423-360 Midway (Sullivan)
423-361 Midway (Sullivan)
423-362 Chattanooga
423-363 Huntsville 2/22/2001
423-364 Chattanooga
423-365 Spring City
423-366 Bristol
423-367 Kingsport
423-368 Athens
423-369 Oakdale
423-370 Athens
423-371 Sweetwater
423-372 Jellico
423-373 Bulls Gap
423-374 Lafollette
423-375 Benton 3/18/2010
423-376 Madisonville
423-377 Lafollette
423-378 Kingsport
423-379 Newport
423-380 Cleveland
423-381 Athens
423-382 Sneedville
423-383 Bristol 11/14/2001
423-384 Fall Branch 11/14/2001
423-385 Chattanooga
423-386 Chattanooga
423-388 Erwin 3/22/2002
423-389 Midway (Sullivan) 5/9/2002
423-390 Kingsport 8/13/2002
423-391 Bluff City
423-392 Kingsport
423-393 Bulls Gap
423-394 Chattanooga
423-396 College Dale
423-397 Benton 7/6/2017
423-398 Kingsport 3/1/2011
423-399 Lafollette 12/2/2003
423-400 Chattanooga
423-401 Soddy-Daisy
423-402 Chattanooga 6/20/2008
423-403 South Pittsbg 5/1/2017
423-404 Madisonville
423-405 Athens 3/29/2011
423-406 Midway (Sullivan) 3/13/2008
423-407 Spring City 1/10/2020
423-408 Kingsport 10/29/2009
423-409 Bulls Gap
423-410 Johnson City
423-412 Johnson City
423-413 Chattanooga
423-414 Chattanooga 4/1/2010
423-415 Newport 3/11/2010
423-416 Midway (Sullivan)
423-417 Chattanooga 8/23/2017
423-418 Midway (Sullivan)
423-419 Cumberland Gap 2/21/2012
423-420 Madisonville
423-421 Chattanooga
423-422 Mosheim
423-424 Chattanooga
423-425 Chattanooga 12/11/2001
423-426 Limestone 3/5/2002
423-427 Johnson City 3/5/2018
423-428 Dayton 4/22/2002
423-429 Kingsport 1/21/2008
423-430 Johnson City 3/11/2013
423-431 Johnson City
423-432 Chattanooga
423-433 Johnson City
423-434 Johnson City
423-435 Athens 5/2/2002
423-436 Madisonville 5/2/2002
423-437 Lafollette 5/2/2002
423-438 Morristown 5/2/2002
423-439 Johnson City
423-440 Elizabethton 10/14/2009
423-441 Cumberland Gap 1/7/2003
423-442 Madisonville
423-443 Chattanooga 5/7/2002
423-444 Limestone 1/8/2010
423-445 Surgoinsville 6/25/2002
423-446 Fall Branch 7/6/2002
423-447 Pikeville
423-448 Pikeville 9/23/2009
423-449 Lafollette 6/13/2002
423-450 Mosheim 10/23/2008
423-451 Soddy-Daisy
423-452 Spring City
423-453 Athens 6/18/2002
423-454 Decatur 10/26/2004
423-455 Jellico 10/7/2002
423-456 Lafollette
423-457 Cleveland 11/13/2008
423-458 Cleveland 4/2/2012
423-459 Chattanooga 1/16/2018
423-460 Mountain City 9/2/2010
423-461 Johnson City
423-462 Riceville
423-463 Chattanooga 9/7/2006
423-464 Cleveland 2/27/2009
423-465 Newport 7/1/2005
423-466 Athens 10/25/2017
423-467 Midway
423-468 Chattanooga 5/6/2006
423-469 Newport
423-470 Greeneville 7/28/2003
423-471 Mountain City 7/28/2003
423-472 Cleveland
423-473 Cleveland
423-474 Stoney Creek
423-475 Chattanooga 11/6/2007
423-476 Cleveland
423-477 Midway
423-478 Cleveland
423-479 Cleveland
423-480 Kingsport 2/10/2012
423-481 Roan Mountain 9/1/2011
423-482 Blountville 6/7/2002
423-483 Johnson City 6/7/2002
423-484 Bristol 6/7/2002
423-485 Chattanooga
423-486 Chattanooga 6/9/2010
423-487 Newport
423-488 Chattanooga
423-489 Cumberland Gap 11/2/2004
423-490 Chattanooga
423-491 Johnson City 6/21/2013
423-492 Morristown 4/7/2011
423-493 Chattanooga
423-494 Lafollette 2/4/2003
423-495 Chattanooga
423-496 Copper Basin
423-497 Chattanooga 2/3/2017
423-498 Chattanooga 2/1/2017
423-499 Chattanooga
423-500 Rogersville 3/28/2016
423-501 Mountain City 10/25/2017
423-502 Midway (Sullivan)
423-503 Chattanooga
423-504 Chattanooga
423-505 Chattanooga
423-506 Athens
423-507 Athens
423-508 Chattanooga
423-509 Chattanooga 10/24/2008
423-510 Chattanooga
423-512 Stoney Creek 8/4/2003
423-514 Chattanooga
423-515 South Pittsbg 10/1/2019
423-516 Sullivan Gardens 2/21/2012
423-517 Chattanooga
423-518 Elizabethton 5/24/2012
423-519 Tellico Plains
423-520 Madisonville
423-521 Chattanooga 6/10/2008
423-522 Morristown 12/5/2002
423-523 Bulls Gap 5/9/2002
423-524 Johnson City 2/6/2018
423-525 Greeneville 5/14/2008
423-526 New Tazewell
423-528 Baileyton
423-529 Georgetown 4/17/2006
423-530 Kingsport 3/15/2012
423-531 Chattanooga 9/16/2008
423-532 Newport
423-533 Nine Mile
423-534 Bristol
423-535 Chattanooga 7/9/2003
423-536 Sweetwater
423-537 Bulls Gap
423-538 Bluff City
423-539 Oneida
423-540 Newport 2/15/2018
423-541 Chattanooga 3/20/2018
423-542 Elizabethton
423-543 Elizabethton
423-544 Chattanooga 9/14/2001
423-545 Madisonville 8/20/2002
423-546 Bulls Gap 8/20/2002
423-547 Elizabethton
423-548 Copper Basin 7/11/2005
423-549 Johnson City 3/23/2018
423-551 Chattanooga 2/27/2014
423-552 Greeneville
423-553 Chattanooga
423-554 College Station
423-556 Soddy-Daisy 8/30/2018
423-557 Johnson City 9/29/2004
423-558 Chattanooga
423-559 Cleveland
423-560 Erwin 8/16/2018
423-561 Sweetwater 4/18/2014
423-562 Lafollette
423-563 Lafollette
423-564 Rogersville 5/25/2018
423-565 Decatur 8/30/2018
423-566 Lafollette
423-567 Dayton 11/26/2008
423-568 Niota
423-569 Oneida
423-570 Dayton
423-571 Midway (Sullivan)
423-572 Englewood
423-573 Bristol 7/7/2006
423-574 Blountville 7/7/2006
423-575 Bluff City 7/7/2006
423-577 Oneida
423-578 Kingsport
423-579 Kingsport 2/13/2009
423-580 Chattanooga
423-581 Morristown
423-582 Chattanooga 8/10/2009
423-583 Sullivan Gardens 9/26/2018
423-584 Cleveland
423-585 Morristown
423-586 Morristown
423-587 Morristown
423-588 Greeneville 1/7/2010
423-589 Georgetown 4/9/2019
423-590 South Pittsbg 5/3/2019
423-591 Chattanooga 1/3/2008
423-592 Lafollette
423-593 Chattanooga
423-594 Dayton 9/16/2009
423-595 Chattanooga 4/12/2001
423-596 Chattanooga
423-597 Benton 5/22/2019
423-598 Chattanooga
423-599 Cleveland 1/7/2010
423-600 Apison 3/19/2007
423-601 Bulls Gap 2/3/2005
423-602 Chattanooga 6/8/2012
423-603 Fork Ridge 12/13/2013
423-604 Etowah
423-605 Chattanooga
423-606 Englewood 2/26/2007
423-607 Limestone 2/17/2014
423-608 Newport
423-609 Greeneville 8/12/2014
423-610 Johnson City
423-612 Bristol
423-613 Newport
423-614 Cleveland
423-615 College Dale 3/19/2007
423-616 Morristown 8/18/2014
423-617 Athens 10/7/2013
423-618 Chattanooga
423-619 Chattanooga
423-620 Greeneville
423-621 Morristown
423-622 Chattanooga
423-623 Newport
423-624 Chattanooga
423-625 Newport
423-626 New Tazewell
423-627 Robbins
423-628 Sunbright
423-629 Chattanooga
423-630 Johnson City 9/25/2007
423-631 Johnson City 4/8/2008
423-632 Wartburg 6/24/2019
423-633 Chattanooga 12/17/2019
423-634 Chattanooga
423-635 Chattanooga
423-636 Greeneville
423-637 Chattanooga 6/9/2008
423-638 Greeneville
423-639 Greeneville
423-640 Sneedville 3/27/2020
423-641 Cleveland 4/7/2014
423-642 Chattanooga
423-643 Chattanooga 8/14/2002
423-644 Soddy-Daisy 3/9/2020
423-645 Chattanooga
423-646 Bristol
423-647 Butler
423-648 Chattanooga
423-649 Athens
423-650 Cleveland
423-651 Jasper 5/8/2014
423-652 Bristol
423-653 Chattanooga
423-654 Chattanooga 7/21/2020
423-655 Chattanooga
423-656 Johnson City 7/22/2020
423-657 Mosheim 1/28/2015
423-658 Whitwell
423-659 Copper Basin 8/4/2020
423-660 Chattanooga 9/16/2020
423-661 Chattanooga 8/12/2014
423-662 Blountville
423-663 Huntsville
423-664 Chattanooga
423-665 Charleston 10/26/2004
423-666 Elizabethton 5/17/2018
423-667 Chattanooga
423-668 Chattanooga
423-670 Johnson City 9/23/2020
423-671 Chattanooga 9/29/2020
423-672 Johnson City 12/27/2019
423-673 Johnson City 4/13/2021
423-674 Dayton 4/13/2021
423-675 Jasper 4/13/2021
423-676 Johnson City
423-677 Fall Branch
423-678 Roan Mountain 4/15/2021
423-679 Ooltewah 4/13/2021
423-680 Chattanooga 3/30/2016
423-681 Chattanooga 1/14/2015
423-682 Chattanooga 1/14/2016
423-683 Elizabethton
423-684 Greeneville
423-685 Johnson City
423-686 Fork Ridge 4/15/2021
423-687 Pikeville 5/13/2021
423-688 Sneedville 5/17/2021
423-689 Bristol 7/1/2021
423-690 Morristown 12/2/2016
423-691 Athens 9/1/2021
423-692 Butler 9/1/2021
423-693 Chattanooga 5/19/2006
423-694 Sweetwater 9/8/2021
423-695 Erwin
423-696 Rogersville 9/16/2021
423-697 Chattanooga
423-698 Chattanooga
423-699 Mountain City
423-701 Robbins 1/30/2014
423-702 Chattanooga 2/14/2006
423-703 Coker Creek 11/21/2019
423-704 Chattanooga
423-705 Johnson City 12/2/2021
423-707 Elizabethton 12/11/2009
423-708 Chattanooga 10/8/2014
423-709 Cleveland
423-710 Chattanooga 6/19/2007
423-712 Bluff City 1/26/2015
423-713 Chattanooga 6/5/2015
423-714 Morristown
423-715 Cleveland
423-716 Cleveland
423-717 Athens 4/29/2015
423-718 Chattanooga
423-719 Chattanooga 12/2/2021
423-720 Newport 5/20/2015
423-721 Newport
423-722 Johnson City
423-723 Kingsport
423-724 Sneedville
423-725 Hampton
423-726 Midway (Sullivan)
423-727 Mountain City
423-728 Cleveland
423-730 Riceville 2/26/2007
423-732 Kingsport 8/11/2015
423-733 Sneedville
423-734 Rogersville 1/9/2020
423-735 Erwin
423-736 Morristown
423-737 Johnson City
423-738 Bristol 12/14/2021
423-739 Shady Valley
423-740 Cleveland 12/15/2021
423-741 Johnson City
423-742 Bristol
423-743 Erwin
423-744 Athens
423-745 Athens
423-746 Athens
423-747 Johnson City
423-748 Morristown
423-749 College Dale 12/29/2021
423-750 Chattanooga 9/3/2021
423-751 Chattanooga
423-752 Chattanooga
423-753 Jonesboro
423-754 Rogersville
423-755 Chattanooga
423-756 Chattanooga
423-757 Chattanooga
423-758 Bristol
423-759 Morristown 9/1/2021
423-760 Chattanooga
423-761 Copper Basin 8/1/2006
423-762 Chattanooga
423-763 Chattanooga
423-764 Bristol
423-765 Kingsport 12/2/2004
423-766 Limestone 1/20/2021
423-767 Johnson City 1/9/2001
423-768 Butler
423-769 Benton 12/15/2021
423-770 Church Hill 8/16/2018
423-771 Chattanooga 1/6/2010
423-772 Roan Mountain
423-773 Johnson City 2/9/2001
423-774 Soddy-Daisy
423-775 Dayton
423-776 Pikeville 12/30/2021
423-777 Chattanooga 10/6/2014
423-778 Chattanooga
423-779 Chattanooga
423-780 Charleston
423-781 Etowah 3/1/2004
423-782 Kingsport
423-783 Greeneville
423-784 Jellico
423-785 Chattanooga
423-787 Greeneville
423-788 Jonesboro
423-789 Bristol 8/13/2002
423-790 Cleveland 4/12/2006
423-791 Johnson City
423-792 Vonore
423-793 Bristol
423-794 Johnson City
423-795 Johnson City
423-796 Johnson City 2/1/2022
423-797 Bristol
423-798 Greeneville
423-799 Spring City 10/26/2004
423-800 Chattanooga 2/10/2011
423-801 Cumberland Gap 12/19/2007
423-802 Chattanooga
423-803 Chattanooga 1/4/2016
423-804 Bristol 2/3/2022
423-805 Chattanooga 6/14/2013
423-806 Midway 5/20/2015
423-807 Madisonville
423-808 Tellico Plains 9/14/2007
423-810 Charleston 8/3/2015
423-812 Greeneville 8/23/2016
423-813 Cleveland 10/8/2015
423-814 Sweetwater
423-815 Whitwell 9/14/2007
423-817 Kingsport
423-818 Jellico 9/21/2016
423-820 Greeneville 5/17/2018
423-821 Chattanooga
423-822 Chattanooga
423-823 Greeneville
423-825 Chattanooga
423-826 Chattanooga
423-827 Chattanooga
423-829 Charleston
423-830 Kingsport 5/17/2018
423-832 Clinchport 1/13/2022
423-833 Johnson City
423-834 Chattanooga
423-836 Sweetwater
423-837 South Pittsbg
423-838 Chattanooga
423-839 Morristown
423-840 Butler 5/17/2018
423-842 Chattanooga
423-843 Chattanooga
423-844 Bristol
423-845 Bristol 3/30/2005
423-846 Chattanooga
423-847 Chattanooga
423-848 Johnson City 9/3/2021
423-850 Jonesboro 5/21/2018
423-851 New Tazewell
423-853 Johnson City 1/21/2022
423-854 Johnson City
423-855 Chattanooga
423-856 Athens 9/16/2016
423-857 Kingsport
423-860 Chattanooga 7/1/2022
423-863 Kingsport
423-867 Chattanooga
423-869 Cumberland Gap
423-870 Chattanooga
423-871 Lafollette
423-873 Stoney Creek 7/15/2020
423-874 Chattanooga
423-875 Chattanooga
423-876 Chattanooga
423-877 Chattanooga
423-878 Bristol
423-880 Johnson City 3/31/2021
423-881 Fall Creek Falls
423-882 Chattanooga 10/26/2011
423-883 Chattanooga
423-884 Vonore
423-885 Englewood
423-886 Chattanooga
423-887 Englewood
423-888 Chattanooga 8/17/2015
423-892 Chattanooga
423-893 Chattanooga
423-894 Chattanooga
423-895 Elizabethton
423-896 Hampton
423-897 Fall Branch
423-899 Chattanooga
423-900 Johnson City 2/16/2011
423-902 Chattanooga
423-903 Chattanooga
423-904 Chattanooga 4/13/2021
423-905 Johnson City 4/13/2021
423-907 Lafollette
423-910 Ooltewah 3/19/2007
423-912 Lafollette
423-913 Jonesboro
423-914 Bristol
423-915 Johnson City
423-917 Blountville
423-919 New Tazewell 10/1/2019
423-920 Athens
423-921 Rogersville
423-922 Baileyton 7/15/2020
423-923 Rogersville
423-925 Lafollette 3/23/2022
423-926 Johnson City
423-927 Morristown 3/1/2022
423-928 Johnson City
423-929 Johnson City
423-930 Johnson City 2/13/2009
423-932 Etowah 1/20/2022
423-933 Chattanooga 6/14/2002
423-934 Surgoinsville 3/18/2021
423-938 Johnson City 8/13/2002
423-939 Jasper 6/21/2005
423-942 Jasper
423-943 Johnson City
423-944 Clinchport
423-946 Johnson City 3/9/2001
423-948 Limestone
423-949 Dunlap
423-952 Johnson City
423-953 Johnson City
423-954 Chattanooga
423-955 Whitwell 7/15/2020
423-956 Bristol
423-957 Hampton
423-961 Georgetown
423-963 Kingsport 3/9/2001
423-965 Deer Lodge
423-966 Ball Play 7/15/2020
423-967 Kingsport
423-968 Bristol
423-972 Greeneville
423-973 Sneedville 4/30/2002
423-975 Johnson City
423-977 Chattanooga 7/18/2019
423-979 Johnson City
423-980 Chattanooga 3/31/2021
423-987 Chattanooga
423-989 Bristol
423-990 Bristol
423-991 Chattanooga
423-994 Chattanooga 5/10/2007
423-999 Athens 3/30/2011
  1. The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  3. The assignment date. If no date is shown the exchange code was assigned before 2001.

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List of cities in area code 423

City4 County Time5
Afton Greene E
Apison Hamilton E
Arthur Claiborne E
Athens McMinn E
Bakewell Hamilton E
Benton Polk E
Birchwood Hamilton E
Blountville Sullivan E
Bluff City Sullivan E
Bristol Sullivan E
Bulls Gap Hawkins E
Butler Johnson E
Bybee Cocke E
Calhoun McMinn E
Caryville Campbell E
Charleston Bradley E
Chattanooga Hamilton E
Chuckey Greene E
Church Hill Hawkins E
Clairfield Claiborne E
Cleveland Bradley E
Coalfield Morgan E
Coker Creek Monroe E
Collegedale Hamilton E
Conasauga Polk E
Copperhill Polk E
Cosby Cocke E
Cumberland Gap Claiborne E
Dayton Rhea E
Decatur Meigs E
Deer Lodge Morgan E
Del Rio Cocke E
Delano Polk E
Ducktown Polk E
Duff Campbell E
Dunlap Sequatchie C
Eagan Claiborne E
Eidson Hawkins E
Elgin Scott E
Elizabethton Carter E
Englewood McMinn E
Erwin Unicoi E
Etowah McMinn E
Evensville Rhea E
Fall Branch Washington E
Farner Polk E
Flag Pond Unicoi E
Georgetown Meigs E
Grandview Rhea E
Graysville Rhea E
Greeneville Greene E
Guild Marion C
Hampton Carter E
Harrison Hamilton E
Harrogate Claiborne E
Hartford Cocke E
Helenwood Scott E
Hixson Hamilton E
Huntsville Scott E
Jacksboro Campbell E
Jasper Marion C
Jellico Campbell E
Johnson City Washington E
Jonesborough Washington E
Kingsport Sullivan E
Kyles Ford Hancock E
LaFollette Campbell E
Lancing Morgan E
Laurel Bloomery Johnson E
Limestone Washington E
Lone Mountain Claiborne E
Lookout Mountain Hamilton E
Lowland Hamblen E
Lupton City Hamilton E
Madisonville Monroe E
Mc Donald Bradley E
Midway Greene E
Milligan College Carter E
Mohawk Greene E
Mooresburg Hawkins E
Morristown Hamblen E
Mosheim Greene E
Mount Carmel Hawkins E
Mountain City Johnson E
Mountain Home Washington E
New Tazewell Claiborne E
Newcomb Campbell E
Newport Cocke E
Niota McMinn E
Oakdale Morgan E
Ocoee Polk E
Old Fort Polk E
Oliver Springs Roane E
Oneida Scott E
Ooltewah Hamilton E
Parrottsville Cocke E
Petros Morgan E
Pikeville Bledsoe C
Piney Flats Sullivan E
Pioneer Campbell E
Pruden Claiborne E
Reliance Polk E
Riceville McMinn E
Roan Mountain Carter E
Robbins Scott E
Rogersville Hawkins E
Rugby Morgan E
Russellville Hamblen E
Sale Creek Hamilton E
Sequatchie Marion C
Shady Valley Johnson E
Shawanee Claiborne E
Signal Mountain Hamilton E
Sneedville Hancock E
Soddy-Daisy Hamilton E
South Pittsburg Marion C
Speedwell Claiborne E
Spring City Rhea E
Sunbright Morgan E
Surgoinsville Hawkins E
Sweetwater Monroe E
Talbott Hamblen E
Tazewell Claiborne E
Telford Washington E
Tellico Plains Monroe E
Ten Mile Meigs E
Trade Johnson E
Turtletown Polk E
Unicoi Unicoi E
Vonore Monroe E
Wartburg Morgan E
Watauga Carter E
Whitesburg Hamblen E
Whiteside Marion C
Whitwell Marion C
Winfield Scott E
  1. Listed in the table above are most, often not all places served by area code 423. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. Multiple time zones. Go to top for current time.

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