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Area Code 203

Prefix City State
111 Stamford CT
123 Stamford CT
146 Washington DC
153 Wolcott CT
200 North Haven CT
202 Darien CT
203 White Plains CT
204 Guilford CT
205 Danbury CT
206 Waterbury CT
207 Danbury CT
208 Branford CT
209 Bridgeport CT
210 Wilton CT
212 Bridgeport CT
213 Meriden CT
214 North Haven CT
215 North Haven CT
216 Westport CT
217 Waterbury CT
218 Bridgeport CT
219 Stamford CT
220 Trumbull CT
221 Westport CT
222 Westport CT
223 Stamford CT
224 Bridgeport CT
225 Huntington CT
226 Westport CT
227 Westport CT
228 Waterbury CT
229 Norwalk CT
230 Hamden CT
231 Derby CT
232 Waterbury CT
233 Waterbury CT
234 North Haven CT
235 Meriden CT
236 Waterbury CT
237 Meriden CT
238 Meriden CT
239 North Haven CT
240 Danbury CT
241 Danbury CT
242 Huntington CT
243 Bridgeport CT
244 Ridgefield CT
245 Madison CT
246 Norwalk CT
247 Norwalk CT
248 Hamden CT
249 Stamford CT
250 Cheshire CT
251 Stamford CT
252 Stamford CT
253 Stamford CT
254 Fairfield CT
255 Fairfield CT
256 Fairfield CT
257 Bridgeport CT
258 Bridgeport CT
259 Fairfield CT
260 Bridgeport CT
261 Trumbull CT
262 Southbury CT
263 Woodbury CT
264 Southbury CT
265 Wallingford CT
266 Bethlehem CT
267 Southbury CT
268 Trumbull CT
269 Wallingford CT
270 Newtown CT
271 Cheshire CT
272 Cheshire CT
273 Stamford CT
274 Stamford CT
275 Bridgeport CT
276 Stamford CT
277 Old Greenwich CT
278 Derby CT
279 Bridgeport CT
280 Darien CT
281 Hamden CT
282 Stamford CT
283 Milford CT
284 Wallingford CT
285 North Haven CT
286 Norwalk CT
287 Hamden CT
288 Hamden CT
289 Danbury CT
290 Greenwich CT
291 Westport CT
292 Fairfield CT
293 Westport CT
294 Wallingford CT
295 Norwalk CT
296 Bridgeport CT
297 Danbury CT
298 North Haven CT
299 Norwalk CT
300 Danbury CT
301 Milford CT
302 Greenwich CT
303 Wallingford CT
304 Newtown CT
305 Derby CT
306 Milford CT
307 Fairfield CT
308 Derby CT
309 Darien CT
312 New Fairfield CT
313 Danbury CT
314 North Haven CT
315 Branford CT
316 Stamford CT
317 Meriden CT
318 Madison CT
319 Fairfield CT
321 Stamford CT
322 Stamford CT
323 Stamford CT
324 Stamford CT
325 Stamford CT
326 Stamford CT
327 Stamford CT
328 Stamford CT
329 Stamford CT
330 Bridgeport CT
331 Bridgeport CT
332 Bridgeport CT
333 Bridgeport CT
334 Bridgeport CT
335 Bridgeport CT
336 Bridgeport CT
337 Bridgeport CT
338 Bridgeport CT
339 Bridgeport CT
340 Greenwich CT
341 Westport CT
342 Bridgeport CT
343 Danbury CT
344 Old Greenwich CT
345 Bridgeport CT
346 Waterbury CT
347 Greenwich CT
348 Stamford CT
349 Westport CT
350 Madison CT
351 Stamford CT
352 Stamford CT
353 Stamford CT
354 Norwalk CT
355 Stamford CT
356 Stamford CT
357 Stamford CT
358 Stamford CT
359 Stamford CT
360 Bridgeport CT
361 North Haven CT
362 Bridgeport CT
363 Stamford CT
364 Newtown CT
365 Bridgeport CT
366 Bridgeport CT
367 Bridgeport CT
368 Bridgeport CT
369 Old Greenwich CT
370 North Haven CT
371 Bridgeport CT
372 Bridgeport CT
373 Bridgeport CT
374 Bridgeport CT
375 Stratford CT
376 North Haven CT
377 Stratford CT
378 Stratford CT
379 Meriden CT
380 Stratford CT
381 Stratford CT
382 Bridgeport CT
383 Stratford CT
384 Bridgeport CT
385 Stratford CT
386 Stratford CT
387 Westville CT
388 Stamford CT
389 Westville CT
391 Stamford CT
392 Westville CT
393 Bethany CT
394 Bridgeport CT
395 Bridgeport CT
396 Bridgeport CT
397 Westville CT
398 Norwalk CT
399 Stamford CT
400 Trumbull CT
401 New Haven CT
402 Huntington CT
403 Ridgefield CT
404 North Haven CT
405 Southbury CT
406 Stamford CT
407 Hamden CT
409 Old Greenwich CT
410 North Haven CT
412 North Haven CT
413 Greenwich CT
414 Bridgeport CT
415 North Haven CT
416 Bridgeport CT
417 Danbury CT
418 Fairfield CT
419 Waterbury CT
420 Meriden CT
421 Madison CT
422 Greenwich CT
423 Wilton CT
424 Darien CT
425 Stamford CT
426 Newtown CT
427 Meriden CT
428 Stamford CT
429 Westport CT
430 North Haven CT
431 Ridgefield CT
432 New Haven CT
433 Branford CT
434 Norwalk CT
435 North Haven CT
436 New Haven CT
437 Waterbury CT
438 Ridgefield CT
439 Cheshire CT
440 Meriden CT
441 Wolcott CT
442 New Canaan CT
443 Meriden CT
444 North Haven CT
445 Trumbull CT
446 Derby CT
447 Huntington CT
448 Danbury CT
449 Bridgeport CT
450 Bridgeport CT
451 Westport CT
452 Trumbull CT
453 Guilford CT
454 Westport CT
455 Bridgeport CT
456 Meriden CT
457 Madison CT
458 Guilford CT
459 Trumbull CT
460 Danbury CT
461 Stamford CT
462 Stamford CT
463 Seymour CT
464 North Haven CT
465 Waterbury CT
466 East Haven CT
467 East Haven CT
468 East Haven CT
469 East Haven CT
470 Danbury CT
471 Oddball Codes CT
473 Oddball Codes CT
474 Oddball Codes CT
475 Oddball Codes CT
477 North Haven CT
478 Oddball Codes CT
479 West Haven CT
480 Fairfield CT
481 Branford CT
482 Danbury CT
483 Branford CT
484 North Branford CT
485 Greenwich CT
486 Brookfield CT
487 Stamford CT
488 Branford CT
489 Fairfield CT
490 Naugatuck CT
491 Newtown CT
492 New Haven CT
493 Georgetown CT
494 North Haven CT
495 New Haven CT
496 Greenwich CT
497 New Haven CT
498 New Haven CT
499 New Haven CT
500 North Haven CT
501 Danbury CT
502 Stratford CT
503 New Haven CT
504 Stamford CT
505 Norwalk CT
506 North Haven CT
507 North Haven CT
508 North Haven CT
509 Waterbury CT
510 Waterbury CT
512 Danbury CT
513 Huntington CT
514 Meriden CT
515 Norwalk CT
516 Derby CT
517 Stamford CT
518 Waterbury CT
520 Bridgeport CT
521 Bridgeport CT
522 Bridgeport CT
523 Norwalk CT
524 Stamford CT
525 Waterbury CT
526 Bridgeport CT
527 Prospect CT
528 Waterbury CT
529 Wilton CT
530 North Haven CT
531 Port Chester CT
532 Port Chester CT
533 Guilford CT
534 Bridgeport CT
535 North Haven CT
536 Stamford CT
537 Meriden CT
538 Huntington CT
539 Stamford CT
540 Bridgeport CT
541 Stamford CT
542 Greenwich CT
543 Bridgeport CT
544 Georgetown CT
545 Bridgeport CT
546 Danbury CT
547 Stamford CT
548 Stamford CT
549 Bridgeport CT
550 Stamford CT
551 Bridgeport CT
552 Greenwich CT
553 New Haven CT
554 Stamford CT
555 Peoria AZ
556 Bridgeport CT
557 Westport CT
558 Waterbury CT
559 Darien CT
560 Waterbury CT
561 Stamford CT
562 New Haven CT
563 Wilton CT
564 Stamford CT
565 Waterbury CT
566 Stamford CT
567 Huntington CT
568 Waterbury CT
569 Stamford CT
570 Stamford CT
571 Westport CT
572 Bridgeport CT
573 Waterbury CT
574 Waterbury CT
575 Waterbury CT
576 Bridgeport CT
577 Middlebury CT
578 Waterbury CT
579 Bridgeport CT
580 Waterbury CT
581 Bridgeport CT
582 Hamden CT
583 Bridgeport CT
584 North Haven CT
585 Stamford CT
586 Bridgeport CT
587 Georgetown CT
588 Stamford CT
589 North Haven CT
591 Waterbury CT
592 Waterbury CT
593 Norwalk CT
594 New Canaan CT
595 Stamford CT
596 Waterbury CT
597 Waterbury CT
598 Middlebury CT
599 Meriden CT
600 Meriden CT
601 Trumbull CT
602 Stamford CT
603 New Haven CT
604 Norwalk CT
605 North Haven CT
606 North Haven CT
607 Stamford CT
608 Meriden CT
609 Stamford CT
610 Bridgeport CT
612 Bridgeport CT
613 Norwalk CT
614 Stamford CT
615 Bridgeport CT
616 Danbury CT
617 Danbury CT
618 Greenwich CT
619 New Haven CT
620 Darien CT
621 Darien CT
622 Greenwich CT
623 North Haven CT
624 New Haven CT
625 Greenwich CT
626 Wallingford CT
627 North Haven CT
628 Danbury CT
629 Greenwich CT
630 Meriden CT
631 Meriden CT
632 Naugatuck CT
633 Wolcott CT
634 Meriden CT
635 Westport CT
636 Darien CT
637 Old Greenwich CT
638 Trumbull CT
639 Meriden CT
640 North Haven CT
641 North Haven CT
642 Norwalk CT
643 Branford CT
644 Norwalk CT
645 North Haven CT
646 Branford CT
647 Milford CT
648 Danbury CT
649 Cheshire CT
650 Bridgeport CT
651 Cheshire CT
652 New Canaan CT
653 Stamford CT
654 North Haven CT
655 Darien CT
656 Darien CT
657 North Haven CT
658 Stamford CT
659 Fairfield CT
660 Greenwich CT
661 Greenwich CT
662 Darien CT
663 Norwalk CT
664 Redding CT
665 Wilton CT
667 Stamford CT
668 North Haven CT
669 Darien CT
670 Waterbury CT
671 North Haven CT
672 North Haven CT
673 Bridgeport CT
674 Stamford CT
675 North Haven CT
676 North Haven CT
677 Wallingford CT
678 Wallingford CT
679 Wallingford CT
681 Greenwich CT
682 Westport CT
683 Bridgeport CT
684 North Haven CT
685 Bridgeport CT
686 Meriden CT
687 North Haven CT
688 New Haven CT
689 Guilford CT
690 Bridgeport CT
691 New Haven CT
692 Fairfield CT
693 Milford CT
694 Meriden CT
695 Middlebury CT
696 Bridgeport CT
697 Wallingford CT
698 Old Greenwich CT
699 Cheshire CT
701 Milford CT
702 Danbury CT
703 Stamford CT
704 Wolcott CT
705 Stamford CT
706 Waterbury CT
707 Waterbury CT
708 Stamford CT
709 Waterbury CT
710 North Haven CT
712 Huntington CT
713 Milford CT
714 Naugatuck CT
715 Meriden CT
716 New Canaan CT
718 Cheshire CT
719 Stamford CT
720 Naugatuck CT
721 Waterbury CT
722 Norwalk CT
723 Naugatuck CT
724 Stamford CT
725 Waterbury CT
726 Bridgeport CT
727 Bridgeport CT
728 Stamford CT
729 Naugatuck CT
730 Danbury CT
731 Danbury CT
732 Derby CT
733 Danbury CT
734 Derby CT
735 Derby CT
736 Derby CT
737 New Haven CT
738 Guilford CT
739 Danbury CT
740 Brookfield CT
741 Wallingford CT
742 Greenwich CT
743 Danbury CT
744 Danbury CT
745 North Haven CT
746 New Fairfield CT
747 North Haven CT
748 Danbury CT
749 Danbury CT
750 Norwalk CT
751 Derby CT
752 New Haven CT
753 Waterbury CT
754 Waterbury CT
755 Waterbury CT
756 Waterbury CT
757 Waterbury CT
758 Prospect CT
759 Waterbury CT
760 Norwalk CT
761 Wilton CT
762 Wilton CT
763 Fairfield CT
764 New Haven CT
765 New Haven CT
766 North Haven CT
767 Bridgeport CT
768 Waterbury CT
769 Greenwich CT
770 Danbury CT
771 New Haven CT
772 New Haven CT
773 New Haven CT
774 Wallingford CT
775 Brookfield CT
776 New Haven CT
777 New Haven CT
778 Danbury CT
779 Madison CT
780 Waterbury CT
781 New Haven CT
782 New Haven CT
783 Milford CT
784 New Haven CT
785 New Haven CT
786 New Haven CT
787 New Haven CT
788 Danbury CT
789 New Haven CT
790 Danbury CT
791 Danbury CT
792 Danbury CT
793 Wallingford CT
794 Danbury CT
795 Orange CT
796 Danbury CT
797 Danbury CT
798 Danbury CT
799 Orange CT
801 New Canaan CT
802 Waterbury CT
803 Norwalk CT
804 North Haven CT
805 Waterbury CT
806 Cheshire CT
807 Norwalk CT
808 Waterbury CT
809 North Haven CT
810 Norwalk CT
812 New Haven CT
813 Greenwich CT
814 Bridgeport CT
815 North Haven CT
816 Trumbull CT
817 Stamford CT
818 Norwalk CT
819 Waterbury CT
820 Norwalk CT
821 New Haven CT
822 Norwalk CT
823 North Haven CT
824 North Haven CT
825 Danbury CT
826 New London CT
828 Seymour CT
829 Norwalk CT
830 Danbury CT
831 Norwalk CT
832 Stamford CT
833 Norwalk CT
834 Wilton CT
835 Norwalk CT
836 Norwalk CT
837 Danbury CT
838 Norwalk CT
839 Norwalk CT
840 Norwalk CT
841 Waterbury CT
842 Norwalk CT
843 North Haven CT
844 Fairfield CT
845 Norwalk CT
846 Norwalk CT
847 Norwalk CT
848 North Haven CT
849 Norwalk CT
850 North Haven CT
851 Norwalk CT
852 Norwalk CT
853 Norwalk CT
854 Norwalk CT
855 Norwalk CT
856 Norwalk CT
857 Norwalk CT
858 Norwalk CT
859 North Haven CT
861 Greenwich CT
862 Greenwich CT
863 Greenwich CT
864 Bridgeport CT
865 New Haven CT
866 Norwalk CT
867 New Haven CT
868 North Haven CT
869 Greenwich CT
870 Bridgeport CT
871 Branford CT
872 Cheshire CT
873 Bridgeport CT
874 Milford CT
875 Darien CT
876 Milford CT
877 Milford CT
878 Milford CT
879 Wolcott CT
880 Trumbull CT
881 Seymour CT
882 Milford CT
883 Stamford CT
885 Danbury CT
886 Meriden CT
887 North Haven CT
888 Seymour CT
889 North Haven CT
890 Stamford CT
891 Orange CT
892 Derby CT
893 Derby CT
894 Ridgefield CT
895 Trumbull CT
896 Madison CT
897 Stamford CT
898 Darien CT
899 Norwalk CT
901 North Haven CT
902 North Haven CT
903 North Haven CT
904 Norwalk CT
905 Stamford CT
906 Derby CT
907 North Haven CT
908 Bridgeport CT
909 North Haven CT
910 Waterbury CT
912 Stamford CT
913 Bridgeport CT
915 North Haven CT
916 Bridgeport CT
917 Danbury CT
918 Stamford CT
919 Norwalk CT
920 New Canaan CT
921 Stamford CT
922 Derby CT
923 Bridgeport CT
924 Derby CT
925 Huntington CT
926 Huntington CT
927 North Haven CT
928 New Haven CT
929 Huntington CT
930 Greenwich CT
931 West Haven CT
932 West Haven CT
933 West Haven CT
934 West Haven CT
935 Meriden CT
936 New Haven CT
937 West Haven CT
938 Redding CT
939 Norwalk CT
940 Stamford CT
942 Danbury CT
943 Norwalk CT
944 Huntington CT
945 Norwalk CT
946 New Haven CT
947 Danbury CT
948 Danbury CT
949 Wallingford CT
951 Milford CT
952 Norwalk CT
953 Bridgeport CT
954 Derby CT
955 Fairfield CT
956 Norwalk CT
957 Stamford CT
958 White Plains CT
960 Stamford CT
961 Stamford CT
962 Stamford CT
963 Norwalk CT
964 Stamford CT
965 Stamford CT
966 New Canaan CT
967 Stamford CT
968 Stamford CT
969 Stamford CT
971 Greenwich CT
972 New Canaan CT
973 Stamford CT
974 North Haven CT
975 Stamford CT
977 Stamford CT
978 Stamford CT
979 Stamford CT
980 North Haven CT
981 Norwalk CT
982 Waterbury CT
983 Greenwich CT
984 Norwalk CT
985 North Haven CT
986 Old Greenwich CT
987 Greenwich CT
988 North Haven CT
990 Old Greenwich CT
991 Norwalk CT
992 Greenwich CT
993 Bridgeport CT
994 Danbury CT
995 Bridgeport CT
996 North Haven CT
998 Stamford CT
999 North Haven CT