Area Code 423

Area code 423 serves the state of Tennessee. This area code was assigned on November 22nd, 1994. On September 11th, 1995 it went into service. 423 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.

Area Code & Prefix Location
423-200 Knoxville, Tn
423-201 Knoxville, Tn
423-207 Johnson City, Tn
423-210 Knoxville, Tn
423-214 Knoxville, Tn
423-216 Chattanooga, Tn
423-217 Johnson City, Tn
423-220 Johnson City, Tn
423-222 Morristown, Tn
423-223 Knoxville, Tn
423-225 Chattanooga, Tn
423-231 Knoxville, Tn
423-237 Knoxville, Tn
423-244 Chattanooga, Tn
423-248 Knoxville, Tn
423-252 Knoxville, Tn
423-254 Knoxville, Tn
423-258 Knoxville, Tn
423-264 Knoxville, Tn
423-268 Morristown, Tn
423-270 Bristol, Tn
423-272 Rogersville, Tn
423-273 Knoxville, Tn
423-274 Bristol, Tn
423-277 Knoxville, Tn
423-281 Blountville, Tn
423-284 Chattanooga, Tn
423-285 Chattanooga, Tn
423-289 Knoxville, Tn
423-293 Knoxville, Tn
423-299 Chattanooga, Tn
423-303 Chattanooga, Tn
423-306 Bristol, Tn
423-307 Knoxville, Tn
423-310 Chattanooga, Tn
423-317 Morristown, Tn
423-318 Morristown, Tn
423-319 Huntsville, Tn
423-330 Johnson City, Tn
423-331 Chattanooga, Tn
423-333 Knoxville, Tn
423-334 Decatur, Tn
423-335 Bristol, Tn
423-336 Charleston, Tn
423-338 Benton, Tn
423-339 Cleveland, Tn
423-340 Johnson City, Tn
423-341 Bristol, Tn
423-347 Knoxville, Tn
423-352 Knoxville, Tn
423-353 Knoxville, Tn
423-358 Knoxville, Tn
423-360 Bristol, Tn
423-361 Bristol, Tn
423-363 Huntsville, Tn
423-366 Johnson City, Tn
423-369 Oakdale, Tn
423-370 Knoxville, Tn
423-371 Knoxville, Tn
423-372 Knoxville, Tn
423-373 Knoxville, Tn
423-374 Knoxville, Tn
423-375 Chattanooga, Tn
423-376 Knoxville, Tn
423-379 Knoxville, Tn
423-380 Cleveland, Tn
423-381 Knoxville, Tn
423-382 Knoxville, Tn
423-383 Johnson City, Tn
423-388 Johnson City, Tn
423-389 Bristol, Tn
423-393 Morristown, Tn
423-399 Knoxville, Tn
423-404 Knoxville, Tn
423-405 Knoxville, Tn
423-407 Knoxville, Tn
423-409 Knoxville, Tn
423-416 Bristol, Tn
423-418 Bristol, Tn
423-419 Danville, Tn
423-426 Bristol, Tn
423-427 Knoxville, Tn
423-428 Chattanooga, Tn
423-435 Knoxville, Tn
423-436 Knoxville, Tn
423-437 Knoxville, Tn
423-438 Knoxville, Tn
423-440 Bristol, Tn
423-441 Danville, Tn
423-444 Bristol, Tn
423-445 Knoxville, Tn
423-449 Knoxville, Tn
423-453 Knoxville, Tn
423-454 Chattanooga, Tn
423-455 Knoxville, Tn
423-457 Chattanooga, Tn
423-458 Chattanooga, Tn
423-464 Chattanooga, Tn
423-465 Knoxville, Tn
423-466 Knoxville, Tn
423-467 Kingsport, Tn
423-469 Knoxville, Tn
423-470 Bristol, Tn
423-472 Cleveland, Tn
423-473 Cleveland, Tn
423-476 Cleveland, Tn
423-477 Kingsport, Tn
423-478 Cleveland, Tn
423-479 Cleveland, Tn
423-480 Bristol, Tn
423-483 Bristol, Tn
423-484 Johnson City, Tn
423-487 Hartford, Tn
423-489 Danville, Tn
423-492 Morristown, Tn
423-502 Bristol, Tn
423-507 Athens, Tn
423-512 Bristol, Tn
423-515 Chattanooga, Tn
423-519 Knoxville, Tn
423-520 Knoxville, Tn
423-522 Morristown, Tn
423-529 Chattanooga, Tn
423-532 Knoxville, Tn
423-534 Bristol, Tn
423-536 Knoxville, Tn
423-537 Knoxville, Tn
423-539 Knoxville, Tn
423-545 Knoxville, Tn
423-546 Knoxville, Tn
423-552 Bristol, Tn
423-555 Knoxville, Tn
423-559 Cleveland, Tn
423-561 Knoxville, Tn
423-564 Knoxville, Tn
423-567 Chattanooga, Tn
423-570 Dayton, Tn
423-571 Bristol, Tn
423-572 Knoxville, Tn
423-573 Bristol, Tn
423-574 Bristol, Tn
423-575 Bristol, Tn
423-577 Knoxville, Tn
423-581 Morristown, Tn
423-584 Chattanooga, Tn
423-585 Morristown, Tn
423-586 Morristown, Tn
423-587 Morristown, Tn
423-588 Bristol, Tn
423-594 Chattanooga, Tn
423-599 Chattanooga, Tn
423-603 Winchester, Tn
423-606 Knoxville, Tn
423-607 Bristol, Tn
423-609 Bristol, Tn
423-612 Bristol, Tn
423-613 Newport, Tn
423-614 Cleveland, Tn
423-616 Chattanooga, Tn
423-617 Knoxville, Tn
423-620 Bristol, Tn
423-623 Newport, Tn
423-625 Newport, Tn
423-641 Chattanooga, Tn
423-646 Johnson City, Tn
423-647 Johnson City, Tn
423-649 Athens, Tn
423-650 Chattanooga, Tn
423-651 Chattanooga, Tn
423-652 Bristol, Tn
423-663 Huntsville, Tn
423-665 Chattanooga, Tn
423-671 Chattanooga, Tn
423-695 Erwin, Tn
423-701 Huntsville, Tn
423-709 Chattanooga, Tn
423-714 Knoxville, Tn
423-715 Chattanooga, Tn
423-716 Chattanooga, Tn
423-717 Knoxville, Tn
423-720 Knoxville, Tn
423-721 Knoxville, Tn
423-724 Knoxville, Tn
423-725 Hampton, Tn
423-726 Bristol, Tn
423-728 Cleveland, Tn
423-730 Knoxville, Tn
423-732 Bristol, Tn
423-735 Erwin, Tn
423-742 Bristol, Tn
423-743 Erwin, Tn
423-744 Athens, Tn
423-745 Athens, Tn
423-746 Athens, Tn
423-748 Knoxville, Tn
423-754 Knoxville, Tn
423-758 Johnson City, Tn
423-764 Bristol, Tn
423-768 Butler, Tn
423-775 Dayton, Tn
423-780 Charleston, Tn
423-781 Knoxville, Tn
423-789 Bristol, Tn
423-790 Cleveland, Tn
423-793 Blountville, Tn
423-797 Bristol, Tn
423-806 Johnson City, Tn
423-807 Knoxville, Tn
423-808 Knoxville, Tn
423-810 Chattanooga, Tn
423-813 Chattanooga, Tn
423-824 Blountville, Tn
423-829 Chattanooga, Tn
423-839 Morristown, Tn
423-844 Bristol, Tn
423-845 Bristol, Tn
423-856 Knoxville, Tn
423-863 Bristol, Tn
423-871 Knoxville, Tn
423-878 Bristol, Tn
423-885 Englewood, Tn
423-887 Englewood, Tn
423-896 Hampton, Tn
423-908 Knoxville, Tn
423-912 Knoxville, Tn
423-914 Bristol, Tn
423-920 Knoxville, Tn
423-921 Rogersville, Tn
423-923 Knoxville, Tn
423-939 Chattanooga, Tn
423-942 Jasper, Tn
423-949 Dunlap, Tn
423-956 Bristol, Tn
423-957 Johnson City, Tn
423-961 Cleveland, Tn
423-965 Deer Lodge, Tn
423-968 Bristol, Tn
423-973 Knoxville, Tn
423-989 Bristol, Tn
423-990 Bristol, Tn
423-999 Knoxville, Tn