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Area Code 423

Prefix City State
200 Morristown TN
201 La Follette TN
202 Johnson City TN
203 Memphis TN
205 1632 PA
207 Kingsport TN
208 Chattanooga TN
209 Chattanooga TN
210 Tellico Plains TN
212 Blountville TN
213 Elizabethton TN
215 Oneida TN
216 Benton TN
217 Bristol TN
218 Johnson City TN
219 Copperhill TN
220 Erwin TN
221 Chattanooga TN
222 Morristown TN
223 Oneida TN
224 Kingsport TN
226 Church Hill TN
227 Chattanooga TN
228 South Pittsburg TN
229 Kingsport TN
230 Kingsport TN
231 Morristown TN
232 Johnson City TN
233 Johnson City TN
234 Baileyton TN
235 Bulls Gap TN
236 Apison TN
237 Newport TN
238 Ooltewah TN
239 Kingsport TN
240 Chattanooga TN
241 Copperhill TN
242 Chattanooga TN
243 Soddy Daisy TN
244 Cleveland TN
245 Kingsport TN
246 Kingsport TN
247 Kingsport TN
248 Newport TN
249 Middlesboro TN
250 Knoxville TN
251 Knoxville TN
252 Athens TN
253 Tellico Plains TN
254 Morristown TN
255 Chattanooga TN
256 Church Hill TN
257 Limestone TN
258 Morristown TN
259 New Tazewell TN
260 Chattanooga TN
261 Cokercreek TN
262 Johnson City TN
263 Etowah TN
264 Chattanooga TN
265 Chattanooga TN
266 Chattanooga TN
267 Chattanooga TN
269 Chattanooga TN
272 Rogersville TN
273 Morristown TN
274 Bristol TN
275 Chattanooga TN
276 Kingsport TN
277 Morristown TN
278 Greeneville TN
279 Blountville TN
280 Chattanooga TN
281 Knoxville TN
282 Johnson City TN
283 Johnson City TN
284 Cleveland TN
285 Dayton TN
286 Oneida TN
287 Chattanooga TN
288 Kingsport TN
289 Morristown TN
290 Chattanooga TN
291 Mountain City TN
292 Fall Branch TN
293 Rogersville TN
294 Chattanooga TN
295 Ball Play TN
296 Chattanooga TN
297 Elizabethton TN
298 Chattanooga TN
299 Benton TN
300 Sneedville TN
302 Johnson City TN
303 Cleveland TN
304 Chattanooga TN
305 Chattanooga TN
306 Kingsport TN
307 Morristown TN
308 Chattanooga TN
309 Chattanooga TN
310 Cleveland TN
312 Morristown TN
313 Chattanooga TN
314 Chattanooga TN
315 Chattanooga TN
316 Chattanooga TN
317 Morristown TN
318 Morristown TN
319 Huntsville TN
320 Chattanooga TN
321 Chattanooga TN
322 Chattanooga TN
323 Blountville TN
324 Petros TN
325 Blountville TN
326 Chattanooga TN
327 Bulls Gap TN
328 Johnson City TN
329 Greeneville TN
330 Erwin TN
331 Cleveland TN
332 Soddy Daisy TN
333 Athens TN
334 Decatur TN
335 Kingsport TN
336 Charleston TN
337 Sweetwater TN
338 Benton TN
339 Cleveland TN
340 Bristol TN
341 Bristol TN
342 Elizabethton TN
343 Kingsport TN
344 Chattanooga TN
345 Surgoinsville TN
346 Wartburg TN
347 Rogersville TN
348 Fall Branch TN
349 Kingsport TN
351 Sweetwater TN
352 La Follette TN
353 San Rafael CA
354 Blountville TN
355 Chattanooga TN
356 Chattanooga TN
357 Church Hill TN
358 Rogersville TN
359 Greeneville TN
360 Kingsport TN
361 Kingsport TN
362 Chattanooga TN
363 Huntsville TN
364 Chattanooga TN
365 Spring City TN
366 Bristol TN
367 Kingsport TN
368 Athens TN
369 Oakdale TN
370 Athens TN
371 Sweetwater TN
373 Bulls Gap TN
376 Madisonville TN
377 La Follette TN
378 Kingsport TN
379 Newport TN
380 Cleveland TN
381 Athens TN
382 Sneedville TN
383 Bristol TN
384 Fall Branch TN
385 Chattanooga TN
386 Chattanooga TN
387 Chattanooga TN
388 Erwin TN
389 Kingsport TN
390 Kingsport TN
391 Bluff City TN
392 Kingsport TN
393 Bulls Gap TN
394 Chattanooga TN
395 Chattanooga TN
396 Collegedale TN
397 Blountville TN
399 La Follette TN
400 Chattanooga TN
401 Soddy Daisy TN
402 Chattanooga TN
404 Madisonville TN
406 Kingsport TN
407 Athens TN
408 Kingsport TN
409 Bulls Gap TN
410 Johnson City TN
413 Chattanooga TN
414 Chattanooga TN
416 Kingsport TN
418 Kingsport TN
420 Madisonville TN
421 Chattanooga TN
422 Mosheim TN
423 Memphis TN
424 Chattanooga TN
425 Chattanooga TN
426 Limestone TN
428 Dayton TN
429 Kingsport TN
430 Sevierville TN
431 Johnson City TN
432 Chattanooga TN
433 Johnson City TN
434 Johnson City TN
435 Athens TN
436 Madisonville TN
437 La Follette TN
438 Morristown TN
439 Johnson City TN
440 Elizabethton TN
441
442 Madisonville TN
443 Chattanooga TN
444 Limestone TN
445 Surgoinsville TN
446 Fall Branch TN
447 Pikeville TN
448 Pikeville TN
449 La Follette TN
450 Mosheim TN
451 Soddy Daisy TN
452 Spring City TN
453 Athens TN
454 Decatur TN
455 Jellico TN
456 Hotspringsnationalpa AR
457 Cleveland TN
458 Belvidere TN
461 Johnson City TN
462 Riceville TN
463 Chattanooga TN
464 Cleveland TN
465 Newport TN
466 Kingsport TN
467 Kingsport TN
468 Chattanooga TN
469 Newport TN
470 Greeneville TN
471 Mountain City TN
472 Cleveland TN
473 Cleveland TN
474 Stoney Creek TN
475 Chattanooga TN
476 Cleveland TN
477 Kingsport TN
478 Cleveland TN
479 Cleveland TN
481 Marietta GA
482 Blountville TN
483 Johnson City TN
484 Bristol TN
485 Chattanooga TN
486 Chattanooga TN
487 Hartford TN
488 Chattanooga TN
489 Chattanooga TN
490 Chattanooga TN
493 Chattanooga TN
494 La Follette TN
495 Chattanooga TN
496 Copperhill TN
497 Cleveland TN
499 Chattanooga TN
502 Kingsport TN
503 Chattanooga TN
504 Chattanooga TN
505 Chattanooga TN
506 Athens TN
507 Athens TN
508 Chattanooga TN
509 Chattanooga TN
510 Chattanooga TN
512 Stoney Creek TN
514 Chattanooga TN
515 Dayton TN
517 Signal Mountain TN
519 Tellico Plains TN
520 Madisonville TN
521 Chattanooga TN
522 Morristown TN
523 Bulls Gap TN
524 Bristol TN
525 Greeneville TN
526 New Tazewell TN
527 Chattanooga TN
528 Baileyton TN
529 Cleveland TN
531 Chattanooga TN
532 Newport TN
533 Nine Mile TN
534 Bristol TN
535 Chattanooga TN
536 Sweetwater TN
538 Bluff City TN
539 Oneida TN
540 Knoxville TN
541 Knoxville TN
542 Elizabethton TN
543 Elizabethton TN
544 Chattanooga TN
545 Madisonville TN
546 Bulls Gap TN
547 Elizabethton TN
548 Copperhill TN
550 Chattanooga TN
552 Greeneville TN
553 Chattanooga TN
554 College Station TN
555 Knoxville TN
557 Johnson City TN
558 Chattanooga TN
559 Cleveland TN
560 Knoxville TN
562 La Follette TN
563 La Follette TN
566 La Follette TN
567 Dayton TN
568 Niota TN
569 Oneida TN
570 Dayton TN
571 Kingsport TN
572 Englewood TN
573 Bristol TN
574 Blountville TN
575 Bluff City TN
576 Mountain City TN
577 Oneida TN
578 Kingsport TN
579 Kingsport TN
580 Chattanooga TN
581 Morristown TN
582 Chattanooga TN
583 Greeneville TN
584 Cleveland TN
585 Morristown TN
586 Morristown TN
587 Morristown TN
588 Greeneville TN
591 Chattanooga TN
592 La Follette TN
593 Chattanooga TN
594 Dayton TN
595 Chattanooga TN
596 Chattanooga TN
598 Chattanooga TN
599 Cleveland TN
600 Apison TN
601 Bulls Gap TN
605 Chattanooga TN
606 Englewood TN
608 Newport TN
609 Knoxville TN
610 Johnson City TN
612 Bristol TN
613 Newport TN
614 Cleveland TN
615 Collegedale TN
618 Chattanooga TN
619 Chattanooga TN
620 Greeneville TN
622 Chattanooga TN
623 Newport TN
624 Chattanooga TN
625 Newport TN
626 New Tazewell TN
627 Robbins TN
628 Sunbright TN
629 Chattanooga TN
631 Johnson City TN
632 Washburn TN
633 Knoxville TN
634 Chattanooga TN
635 Chattanooga TN
636 Greeneville TN
637 Chattanooga TN
638 Greeneville TN
639 Greeneville TN
642 Chattanooga TN
643 Chattanooga TN
644 Chattanooga TN
645 Chattanooga TN
646 Bristol TN
647 Butler TN
648 Chattanooga TN
649 Athens TN
650 Cleveland TN
651 Signal Mountain TN
652 Bristol TN
653 Chattanooga TN
655 Chattanooga TN
658 Whitwell TN
661 Knoxville TN
662 Blountville TN
663 Huntsville TN
664 Chattanooga TN
665 Charleston TN
667 Chattanooga TN
668 Chattanooga TN
669 Bristol TN
670 Bloomington IL
671 Cleveland TN
673 Knoxville TN
674 Thorn Hill TN
675 Knoxville TN
676 Johnson City TN
677 Fall Branch TN
678 Modesto CA
681 Burlington NC
683 Elizabethton TN
684 Greeneville TN
685 Johnson City TN
687 Chattanooga TN
688 Knoxville TN
689 Knoxville TN
690 Ladson SC
691 Knoxville TN
692 Chattanooga TN
693 Chattanooga TN
694 Knoxville TN
695 Erwin TN
697 Chattanooga TN
698 Chattanooga TN
699 Mountain City TN
700 Chattanooga TN
702 Chattanooga TN
704 Chattanooga TN
705 Knoxville TN
709 Cleveland TN
710 Chattanooga TN
714 Morristown TN
715 Cleveland TN
716 Cleveland TN
717 Wellman IA
718 Chattanooga TN
719 Redding Ridge CT
721 Newport TN
722 Johnson City TN
723 Kingsport TN
725 Hampton TN
726 Kingsport TN
727 Mountain City TN
728 Cleveland TN
730 Riceville TN
732 Kingsport TN
733 Sneedville TN
735 Erwin TN
736 Morristown TN
737 Johnson City TN
739 Shady Valley TN
741 Johnson City TN
742 Bristol TN
743 Erwin TN
744 Athens TN
745 Athens TN
746 Athens TN
747 Johnson City TN
748 Morristown TN
751 Chattanooga TN
752 Chattanooga TN
753 Jonesboro TN
754 Rogersville TN
755 Chattanooga TN
756 Chattanooga TN
757 Chattanooga TN
758 Bristol TN
760 Chattanooga TN
762 Chattanooga TN
763 Chattanooga TN
764 Bristol TN
765 Kingsport TN
766 Bluff City TN
767 Johnson City TN
768 Butler TN
769 Chattanooga TN
772 Roan Mountain TN
773 Johnson City TN
774 Soddy Daisy TN
775 Dayton TN
777 Huntsville AL
778 Chattanooga TN
779 Chattanooga TN
780 Charleston TN
781 Etowah TN
782 Kingsport TN
783 Greeneville TN
784 Jellico TN
785 Chattanooga TN
787 Greeneville TN
788 Jonesboro TN
789 Bristol TN
790 Cleveland TN
791 Johnson City TN
792 Vonore TN
793 Bristol TN
794 Johnson City TN
795 Johnson City TN
797 Bristol TN
798 Greeneville TN
801
802 Chattanooga TN
807 Madisonville TN
812 Dalton GA
814 Chattanooga TN
815 Whitwell TN
817 Kingsport TN
819 Chattanooga TN
821 Chattanooga TN
822 Chattanooga TN
823 Greeneville TN
825 Chattanooga TN
826 Chattanooga TN
827 Chattanooga TN
828 Memphis TN
829 Charleston TN
833 Johnson City TN
834 Chattanooga TN
836 Sweetwater TN
837 South Pittsburg TN
838 Chattanooga TN
839 Morristown TN
842 Chattanooga TN
843 Chattanooga TN
844 Bristol TN
845 Bristol TN
846 Chattanooga TN
847 Chattanooga TN
850 Rockford TN
851 New Tazewell TN
854 Johnson City TN
855 Chattanooga TN
856 Greenback TN
857 Kingsport TN
858 Rossville GA
861 Rossville GA
862 Elizabethton TN
863 Kingsport TN
866 Memphis TN
867 Chattanooga TN
869 Harrogate TN
870 Chattanooga TN
871 La Follette TN
872 Pikeville TN
874 Chattanooga TN
875 Chattanooga TN
876 Chattanooga TN
877 Chattanooga TN
878 Bristol TN
879 Jasper TN
881 Fall Creek Falls TN
882 Chattanooga TN
883 Signal Mountain TN
884 Vonore TN
885 Englewood TN
886 Signal Mountain TN
887 Englewood TN
888 Madisonville TN
891 Chattanooga TN
892 Chattanooga TN
893 Chattanooga TN
894 Chattanooga TN
895 Elizabethton TN
896 Hampton TN
897 Fall Branch TN
898 Knoxville TN
899 Chattanooga TN
901 Memphis TN
902 Chattanooga TN
903 Chattanooga TN
904 Morristown TN
907 La Follette TN
908 Surgoinsville TN
910 Ooltewah TN
912 La Follette TN
913 Jonesboro TN
914 Bristol TN
915 Johnson City TN
917 Blountville TN
920 Athens TN
921 Rogersville TN
922 Thibodaux LA
923 Rogersville TN
924 Knoxville TN
925 Knoxville TN
926 Johnson City TN
927 Knoxville TN
928 Johnson City TN
929 Johnson City TN
930 Johnson City TN
932 Knoxville TN
933 Chattanooga TN
934 Hampton TN
937 Kingsport TN
938 Johnson City TN
939 Jasper TN
942 Jasper TN
943 Johnson City TN
944 Clinchport TN
945 Jellico TN
946 Johnson City TN
947 Powell TN
948 Limestone TN
949 Dunlap TN
952 Johnson City TN
953 Johnson City TN
954 Chattanooga TN
956 Bristol TN
957 Hampton TN
961 Cleveland TN
963 Kingsport TN
965 Deer Lodge TN
966 Cosby TN
967 Kingsport TN
968 Bristol TN
970 Valencia CA
971 Knoxville TN
972 Greeneville TN
973 Sneedville TN
974 Collierville TN
975 Johnson City TN
977 Maryville TN
979 Johnson City TN
981 Maryville TN
982 Maryville TN
983 Vonore TN
984 Haysi VA
986 Afton TN
987 Chattanooga TN
988 Memphis TN
989 Bristol TN
990 Bristol TN
991 Chattanooga TN
992 Canton IL
993 Morristown TN
994 Chattanooga TN
997 Sevierville TN