Sub Code Listings for 203 - Connecticut

These are the cities covered by the 203 area code, located in Connecticut (CT). There are 777 sub codes listed under this area code.

These are the cities covered by the 203 area code, located in Connecticut (CT). There are 777 sub codes listed under this area code.

Enter the full number into the search bar below for a look-up report including Owner Name, Address, Number History, Phone Carrier and much more!


(* Please use the format 303-847-5412)

Sub-Code City, State
203-346 Waterbury, CT
203-347 Byram, CT
203-870 Bridgeport, CT
203-955 Fairfield, CT
203-423 Wilton, CT
203-532 Byram, CT
203-506 New Haven, CT
203-921 Stamford, CT
203-940 Stamford, CT
203-985 New Haven, CT
203-376 New Haven, CT
203-205 Danbury, CT
203-694 Meriden, CT
203-819 Waterbury, CT
203-737 New Haven, CT
203-580 Byram, CT
203-788 Danbury, CT
203-395 Bridgeport, CT
203-418 Fairfield, CT
203-319 Fairfield, CT
203-448 Danbury, CT
203-238 Meriden, CT
203-535 New Haven, CT
203-461 Stamford, CT
203-652 New Canaan, CT
203-741 Wallingford, CT
203-325 Stamford, CT
203-360 Bridgeport, CT
203-748 Danbury, CT
203-996 New Haven, CT
203-630 Meriden, CT
203-663 Norwalk, CT
203-895 Trumbull, CT
203-291 Westport, CT
203-412 New Haven, CT
203-231 Ansonia-Derby, CT
203-875 Darien, CT
203-941 Seymour, CT
203-224 Bridgeport, CT
203-631 Meriden, CT
203-201 New Haven, CT
203-829 Norwalk, CT
203-953 Bridgeport, CT
203-706 Waterbury, CT
203-712 Huntington, CT
203-219 Stamford, CT
203-792 Danbury, CT
203-303 Wallingford, CT
203-639 Meriden, CT
203-778 Danbury, CT
203-971 Greenwich, CT
203-442 New Canaan, CT
203-766 New Haven, CT
203-443 Meriden, CT
203-378 Bridgeport, CT
203-286 Norwalk, CT
203-595 Stamford, CT
203-491 Newtown, CT
203-463 Seymour, CT
203-431 Ridgefield, CT
203-593 Norwalk, CT
203-804 New Haven, CT
203-703 Stamford, CT
203-656 Darien, CT
203-675 New Haven, CT
203-326 Stamford, CT
203-835 Norwalk, CT
203-952 Norwalk, CT
203-283 Milford, CT
203-901 New Haven, CT
203-281 New Haven, CT
203-746 Danbury, CT
203-637 Old Greenwich, CT
203-559 Darien, CT
203-233 Waterbury, CT
203-314 New Haven, CT
203-357 Stamford, CT
203-477 New Haven, CT
203-441 Wolcott, CT
203-944 Huntington, CT
203-948 Danbury, CT
203-450 Bridgeport, CT
203-490 Naugatuck, CT
203-781 New Haven, CT
203-978 Stamford, CT
203-934 New Haven, CT
203-533 Guilford, CT
203-316 Stamford, CT
203-247 Norwalk, CT
203-625 Greenwich, CT
203-937 New Haven, CT
203-269 Wallingford, CT
203-279 Bridgeport, CT
203-245 Madison, CT
203-682 Westport, CT
203-483 Branford, CT
203-468 New Haven, CT
203-665 Wilton, CT
203-282 Stamford, CT
203-577 Waterbury, CT
203-747 New Haven, CT
203-878 Milford, CT
203-354 Norwalk, CT
203-791 Danbury, CT
203-769 Greenwich, CT
203-212 Bridgeport, CT
203-925 Huntington, CT
203-538 Huntington, CT
203-276 Stamford, CT
203-691 New Haven, CT
203-207 Danbury, CT
203-718 Cheshire, CT
203-248 New Haven, CT
203-451 Westport, CT
203-214 New Haven, CT
203-514 Meriden, CT
203-827 Old Greenwich, CT
203-253 Stamford, CT
203-302 Greenwich, CT
203-707 Waterbury, CT
203-366 Bridgeport, CT
203-763 Fairfield, CT
203-271 Cheshire, CT
203-493 Georgetown, CT
203-752 New Haven, CT
203-839 Norwalk, CT
203-345 Bridgeport, CT
203-613 Norwalk, CT
203-614 Stamford, CT
203-729 Naugatuck, CT
203-364 Newtown, CT
203-204 Guilford, CT
203-544 Georgetown, CT
203-340 Greenwich, CT
203-990 Old Greenwich, CT
203-367 Bridgeport, CT
203-502 Bridgeport, CT
203-221 Westport, CT
203-633 Wolcott, CT
203-528 Waterbury, CT
203-735 Ansonia-Derby, CT
203-983 Greenwich, CT
203-444 New Haven, CT
203-770 Danbury, CT
203-381 Bridgeport, CT
203-417 Danbury, CT
203-379 Meriden, CT
203-438 Ridgefield, CT
203-843 New Haven, CT
203-482 Danbury, CT
203-887 New Haven, CT
203-592 Waterbury, CT
203-244 Ridgefield, CT
203-900 Greenwich, CT
203-588 Stamford, CT
203-266 Woodbury, CT
203-402 Huntington, CT
203-880 Trumbull, CT
203-522 Bridgeport, CT
203-705 Stamford, CT
203-653 Stamford, CT
203-298 New Haven, CT
203-255 Fairfield, CT
203-407 New Haven, CT
203-587 Georgetown, CT
203-521 Bridgeport, CT
203-510 Waterbury, CT
203-564 Stamford, CT
203-251 Stamford, CT
203-902 New Haven, CT
203-200 New Haven, CT
203-270 Newtown, CT
203-655 Darien, CT
203-854 Norwalk, CT
203-894 Ridgefield, CT
203-385 Bridgeport, CT
203-220 Trumbull, CT
203-292 Fairfield, CT
203-767 Bridgeport, CT
203-640 New Haven, CT
203-612 Bridgeport, CT
203-938 Redding, CT
203-699 Cheshire, CT
203-719 Stamford, CT
203-704 Wolcott, CT
203-457 Guilford, CT
203-601 Trumbull, CT
203-713 Milford, CT
203-487 Stamford, CT
203-550 Stamford, CT
203-926 Huntington, CT
203-929 Huntington, CT
203-561 Stamford, CT
203-986 Old Greenwich, CT
203-529 Wilton, CT
203-855 Norwalk, CT
203-446 Ansonia-Derby, CT
203-687 New Haven, CT
203-993 Bridgeport, CT
203-543 Bridgeport, CT
203-585 Stamford, CT
203-848 New Haven, CT
203-810 Norwalk, CT
203-320 Darien, CT
203-664 Redding, CT
203-433 Branford, CT
203-852 Norwalk, CT
203-772 New Haven, CT
203-864 Bridgeport, CT
203-759 Waterbury, CT
203-548 Stamford, CT
203-693 Milford, CT
203-432 New Haven, CT
203-400 Trumbull, CT
203-256 Fairfield, CT
203-236 Waterbury, CT
203-353 Stamford, CT
203-290 Bridgeport, CT
203-437 Waterbury, CT
203-817 Stamford, CT
203-277 Old Greenwich, CT
203-539 Stamford, CT
203-293 Westport, CT
203-260 Bridgeport, CT
203-685 Bridgeport, CT
203-982 Waterbury, CT
203-872 Cheshire, CT
203-622 Greenwich, CT
203-496 Greenwich, CT
203-371 Bridgeport, CT
203-916 Bridgeport, CT
203-436 New Haven, CT
203-408 Redding, CT
203-947 Danbury, CT
203-422 Greenwich, CT
203-393 New Haven, CT
203-964 Stamford, CT
203-992 Greenwich, CT
203-466 New Haven, CT
203-857 Norwalk, CT
203-386 Bridgeport, CT
203-615 Bridgeport, CT
203-602 Stamford, CT
203-642 Norwalk, CT
203-257 Bridgeport, CT
203-899 Norwalk, CT
203-424 Darien, CT
203-634 Meriden, CT
203-922 Huntington, CT
203-919 Norwalk, CT
203-225 Huntington, CT
203-988 New Haven, CT
203-368 Bridgeport, CT
203-918 Stamford, CT
203-401 New Haven, CT
203-237 Meriden, CT
203-470 Danbury, CT
203-869 Greenwich, CT
203-960 Stamford, CT
203-568 Waterbury, CT
203-939 Norwalk, CT
203-879 Wolcott, CT
203-454 Westport, CT
203-981 Norwalk, CT
203-645 New Haven, CT
203-575 Waterbury, CT
203-732 Ansonia-Derby, CT
203-777 New Haven, CT
203-979 Stamford, CT
203-315 Branford, CT
203-534 Bridgeport, CT
203-445 Trumbull, CT
203-738 Guilford, CT
203-304 Newtown, CT
203-480 Fairfield, CT
203-667 Stamford, CT
203-574 Waterbury, CT
203-698 Old Greenwich, CT
203-229 Norwalk, CT
203-859 New Haven, CT
203-606 New Haven, CT
203-605 New Haven, CT
203-733 Danbury, CT
203-348 Stamford, CT
203-892 Ansonia-Derby, CT
203-753 Waterbury, CT
203-888 Seymour, CT
203-372 Bridgeport, CT
203-987 Greenwich, CT
203-662 Darien, CT
203-790 Danbury, CT
203-429 Westport, CT
203-492 New Haven, CT
203-460 Danbury, CT
203-310 New Canaan, CT
203-897 Stamford, CT
203-503 New Haven, CT
203-525 Waterbury, CT
203-342 Bridgeport, CT
203-517 Stamford, CT
203-526 Bridgeport, CT
203-833 New Haven, CT
203-730 Danbury, CT
203-608 Meriden, CT
203-660 Byram, CT
203-263 Woodbury, CT
203-498 New Haven, CT
203-845 Norwalk, CT
203-542 Greenwich, CT
203-761 Wilton, CT
203-414 Bridgeport, CT
203-785 New Haven, CT
203-620 Darien, CT
203-649 Cheshire, CT
203-928 New Haven, CT
203-679 Wallingford, CT
203-242 Huntington, CT
203-710 New Haven, CT
203-970 Norwalk, CT
203-243 Bridgeport, CT
203-920 New Canaan, CT
203-907 New Haven, CT
203-600 Meriden, CT
203-626 Wallingford, CT
203-641 New Haven, CT
203-989 Stamford, CT
203-264 Woodbury, CT
203-765 New Haven, CT
203-312 Danbury, CT
203-321 Stamford, CT
203-301 Milford, CT
203-382 Bridgeport, CT
203-871 Branford, CT
203-439 Cheshire, CT
203-365 Bridgeport, CT
203-904 Norwalk, CT
203-671 New Haven, CT
203-299 Norwalk, CT
203-567 Huntington, CT
203-331 Bridgeport, CT
203-905 Stamford, CT
203-339 Bridgeport, CT
203-618 Greenwich, CT
203-757 Waterbury, CT
203-254 Fairfield, CT
203-306 Milford, CT
203-590 Trumbull, CT
203-560 Waterbury, CT
203-844 Fairfield, CT
203-842 Norwalk, CT
203-931 New Haven, CT
203-727 Bridgeport, CT
203-832 Stamford, CT
203-794 Danbury, CT
203-636 Darien, CT
203-617 Danbury, CT
203-709 Waterbury, CT
203-807 Norwalk, CT
203-375 Bridgeport, CT
203-961 Stamford, CT
203-974 New Haven, CT
203-936 New Haven, CT
203-932 New Haven, CT
203-464 New Haven, CT
203-512 Danbury, CT
203-796 Danbury, CT
203-453 Guilford, CT
203-388 Stamford, CT
203-272 Cheshire, CT
203-589 New Haven, CT
203-333 Bridgeport, CT
203-692 Fairfield, CT
203-632 Naugatuck, CT
203-991 Norwalk, CT
203-650 Bridgeport, CT
203-826 Danbury, CT
203-469 New Haven, CT
203-530 New Haven, CT
203-305 Ansonia-Derby, CT
203-547 Stamford, CT
203-599 Meriden, CT
203-690 Bridgeport, CT
203-435 New Haven, CT
203-969 Stamford, CT
203-783 Milford, CT
203-903 New Haven, CT
203-447 Huntington, CT
203-583 Bridgeport, CT
203-597 Waterbury, CT
203-557 Westport, CT
203-689 Guilford, CT
203-806 Cheshire, CT
203-997 Ansonia-Derby, CT
203-789 New Haven, CT
203-215 New Haven, CT
203-668 New Haven, CT
203-651 Cheshire, CT
203-596 Waterbury, CT
203-262 Woodbury, CT
203-858 Norwalk, CT
203-390 New Haven, CT
203-734 Ansonia-Derby, CT
203-419 Waterbury, CT
203-715 Meriden, CT
203-912 Stamford, CT
203-397 New Haven, CT
203-754 Waterbury, CT
203-716 New Canaan, CT
203-657 New Haven, CT
203-967 Stamford, CT
203-317 Meriden, CT
203-910 Waterbury, CT
203-898 Darien, CT
203-337 Bridgeport, CT
203-500 New Haven, CT
203-957 Norwalk, CT
203-980 New Haven, CT
203-523 Norwalk, CT
203-764 New Haven, CT
203-994 Danbury, CT
203-927 New Haven, CT
203-868 New Haven, CT
203-909 New Haven, CT
203-886 Meriden, CT
203-760 Bridgeport, CT
203-232 Waterbury, CT
203-676 New Haven, CT
203-984 Norwalk, CT
203-416 Bridgeport, CT
203-428 Stamford, CT
203-556 Bridgeport, CT
203-884 Guilford, CT
203-670 Waterbury, CT
203-793 Wallingford, CT
203-295 Norwalk, CT
203-289 Danbury, CT
203-803 Norwalk, CT
203-824 New Haven, CT
203-440 Meriden, CT
203-604 Norwalk, CT
203-227 Westport, CT
203-674 Stamford, CT
203-484 Branford, CT
203-285 New Haven, CT
203-913 Bridgeport, CT
203-638 Trumbull, CT
203-787 New Haven, CT
203-396 Bridgeport, CT
203-494 New Haven, CT
203-359 Stamford, CT
203-558 Waterbury, CT
203-838 Norwalk, CT
203-209 Bridgeport, CT
203-210 Wilton, CT
203-725 Waterbury, CT
203-284 Wallingford, CT
203-467 New Haven, CT
203-507 New Haven, CT
203-616 Danbury, CT
203-258 Bridgeport, CT
203-635 Westport, CT
203-554 Stamford, CT
203-274 Stamford, CT
203-392 New Haven, CT
203-576 Bridgeport, CT
203-743 Danbury, CT
203-520 Bridgeport, CT
203-383 Bridgeport, CT
203-658 Stamford, CT
203-771 New Haven, CT
203-755 Waterbury, CT
203-856 Norwalk, CT
203-883 Stamford, CT
203-527 Waterbury, CT
203-882 Milford, CT
203-815 New Haven, CT
203-355 Stamford, CT
203-230 New Haven, CT
203-945 Norwalk, CT
203-680 New Haven, CT
203-361 New Haven, CT
203-571 Westport, CT
203-387 New Haven, CT
203-924 Huntington, CT
203-744 Danbury, CT
203-519 Waterbury, CT
203-779 Madison, CT
203-425 Stamford, CT
203-572 Bridgeport, CT
203-268 Trumbull, CT
203-949 Wallingford, CT
203-452 Trumbull, CT
203-686 Meriden, CT
203-681 Byram, CT
203-582 New Haven, CT
203-798 Danbury, CT
203-966 New Canaan, CT
203-239 New Haven, CT
203-259 Fairfield, CT
203-240 Danbury, CT
203-923 Bridgeport, CT
203-515 Norwalk, CT
203-816 Trumbull, CT
203-786 New Haven, CT
203-802 Waterbury, CT
203-578 Waterbury, CT
203-688 New Haven, CT
203-380 Bridgeport, CT
203-975 Stamford, CT
203-684 New Haven, CT
203-513 Huntington, CT
203-455 Bridgeport, CT
203-356 Stamford, CT
203-598 Waterbury, CT
203-485 Greenwich, CT
203-728 Stamford, CT
203-677 Wallingford, CT
203-288 New Haven, CT
203-456 Danbury, CT
203-946 New Haven, CT
203-294 Wallingford, CT
203-213 Meriden, CT
203-840 Norwalk, CT
203-865 New Haven, CT
203-570 Stamford, CT
203-566 Stamford, CT
203-351 Stamford, CT
203-300 Danbury, CT
203-795 New Haven, CT
203-481 Branford, CT
203-740 Danbury, CT
203-389 New Haven, CT
203-341 Westport, CT
203-398 Norwalk, CT
203-405 Woodbury, CT
203-863 Greenwich, CT
203-853 Norwalk, CT
203-208 Branford, CT
203-623 New Haven, CT
203-330 Bridgeport, CT
203-831 Norwalk, CT
203-669 Darien, CT
203-851 Norwalk, CT
203-369 Old Greenwich, CT
203-995 Bridgeport, CT
203-837 Danbury, CT
203-488 Branford, CT
203-812 New Haven, CT
203-862 Greenwich, CT
203-459 Trumbull, CT
203-866 Norwalk, CT
203-965 Stamford, CT
203-391 Stamford, CT
203-250 Cheshire, CT
203-358 Stamford, CT
203-486 Woodbury, CT
203-349 Westport, CT
203-644 Norwalk, CT
203-313 Danbury, CT
203-234 New Haven, CT
203-343 Ansonia-Derby, CT
203-847 Norwalk, CT
203-762 Wilton, CT
203-350 Madison, CT
203-413 Greenwich, CT
203-943 Norwalk, CT
203-338 Bridgeport, CT
203-643 Branford, CT
203-813 Byram, CT
203-739 Danbury, CT
203-362 Bridgeport, CT
203-384 Bridgeport, CT
203-998 Stamford, CT
203-805 Waterbury, CT
203-673 Bridgeport, CT
203-307 Fairfield, CT
203-889 New Haven, CT
203-226 Westport, CT
203-318 Madison, CT
203-420 Meriden, CT
203-273 Stamford, CT
203-426 Newtown, CT
203-399 Stamford, CT
203-708 Stamford, CT
203-850 New Haven, CT
203-508 New Haven, CT
203-877 Milford, CT
203-323 Stamford, CT
203-951 Milford, CT
203-551 Bridgeport, CT
203-252 Stamford, CT
203-801 New Canaan, CT
203-352 Stamford, CT
203-573 Waterbury, CT
203-216 Westport, CT
203-579 Bridgeport, CT
203-797 Danbury, CT
203-394 Bridgeport, CT
203-497 New Haven, CT
203-246 Norwalk, CT
203-774 Wallingford, CT
203-627 New Haven, CT
203-524 Stamford, CT
203-930 Greenwich, CT
203-332 Bridgeport, CT
203-672 New Haven, CT
203-814 Bridgeport, CT
203-202 Darien, CT
203-775 Danbury, CT
203-846 Norwalk, CT
203-223 Stamford, CT
203-373 Bridgeport, CT
203-553 New Haven, CT
203-724 Stamford, CT
203-549 Bridgeport, CT
203-594 New Canaan, CT
203-891 New Haven, CT
203-659 Fairfield, CT
203-275 Bridgeport, CT
203-541 Stamford, CT
203-972 New Canaan, CT
203-849 Norwalk, CT
203-818 Norwalk, CT
203-973 Stamford, CT
203-609 Stamford, CT
203-654 New Haven, CT
203-287 New Haven, CT
203-780 New Haven, CT
203-890 Stamford, CT
203-714 Naugatuck, CT
203-563 Wilton, CT
203-280 Darien, CT
203-509 Waterbury, CT
203-696 Bridgeport, CT
203-915 New Haven, CT
203-336 Bridgeport, CT
203-749 Danbury, CT
203-942 Danbury, CT
203-836 New Haven, CT
203-624 New Haven, CT
203-962 Stamford, CT
203-335 Bridgeport, CT
203-683 Bridgeport, CT
203-896 Madison, CT
203-758 Waterbury, CT
203-977 Stamford, CT
203-536 Stamford, CT
203-505 Norwalk, CT
203-462 Stamford, CT
203-629 Greenwich, CT
203-963 Norwalk, CT
203-661 Greenwich, CT
203-999 New Haven, CT
203-374 Bridgeport, CT
203-540 Bridgeport, CT
203-695 Waterbury, CT
203-409 Old Greenwich, CT
203-876 Milford, CT
203-430 New Haven, CT
203-908 Bridgeport, CT
203-415 New Haven, CT
203-742 Greenwich, CT
203-404 New Haven, CT
203-377 Bridgeport, CT
203-830 Danbury, CT
203-648 Danbury, CT
203-363 Stamford, CT
203-334 Bridgeport, CT
203-823 New Haven, CT
203-726 Bridgeport, CT
203-828 Seymour, CT
203-421 Madison, CT
203-449 Bridgeport, CT
203-825 Danbury, CT
203-504 Stamford, CT
203-465 Waterbury, CT
203-501 Danbury, CT
203-799 New Haven, CT
203-820 Norwalk, CT
203-697 Wallingford, CT
203-756 Waterbury, CT
203-410 New Haven, CT
203-329 Stamford, CT
203-278 Ansonia-Derby, CT
203-867 New Haven, CT
203-309 Darien, CT
203-479 New Haven, CT
203-235 Meriden, CT
203-218 Bridgeport, CT
203-591 Waterbury, CT
203-881 Seymour, CT
203-241 Danbury, CT
203-821 New Haven, CT
203-666 Bridgeport, CT
203-217 Waterbury, CT
203-721 Waterbury, CT
203-736 Ansonia-Derby, CT
203-545 Bridgeport, CT
203-403 Ridgefield, CT
203-621 Darien, CT
203-489 Greenwich, CT
203-206 Waterbury, CT
203-841 Waterbury, CT
203-906 Ansonia-Derby, CT
203-546 Danbury, CT
203-619 New Haven, CT
203-954 Ansonia-Derby, CT
203-723 Naugatuck, CT
203-249 Stamford, CT
203-628 Danbury, CT
203-956 Norwalk, CT
203-701 Milford, CT
203-458 Guilford, CT
203-222 Westport, CT
203-731 Danbury, CT
203-861 Greenwich, CT
203-297 Danbury, CT
203-968 Stamford, CT
203-265 Wallingford, CT
203-914 Stamford, CT
203-702 Danbury, CT
203-427 Meriden, CT
203-228 Waterbury, CT
203-308 Ansonia-Derby, CT
203-874 Milford, CT
203-607 Stamford, CT
203-531 Byram, CT
203-322 Stamford, CT
203-261 Trumbull, CT
203-406 Stamford, CT
203-722 Norwalk, CT
203-518 Waterbury, CT
203-603 New Haven, CT
203-434 Norwalk, CT
203-565 Waterbury, CT
203-773 New Haven, CT
203-586 Woodbury, CT
203-893 Ansonia-Derby, CT
203-344 Old Greenwich, CT
203-495 New Haven, CT
203-370 New Haven, CT
203-581 Bridgeport, CT
203-933 New Haven, CT
203-552 Byram, CT
203-885 Danbury, CT
203-873 Bridgeport, CT
203-822 Norwalk, CT
203-327 Stamford, CT
203-328 Stamford, CT
203-800 New Haven, CT
203-917 Danbury, CT
203-610 Bridgeport, CT
203-516 Ansonia-Derby, CT
203-584 New Haven, CT
203-750 Norwalk, CT
203-776 New Haven, CT
203-562 New Haven, CT
203-324 Stamford, CT
203-569 Stamford, CT
203-720 Naugatuck, CT
203-784 New Haven, CT
203-499 New Haven, CT
203-935 Meriden, CT
203-808 Waterbury, CT
203-834 Wilton, CT
203-646 Branford, CT
203-647 Milford, CT
203-296 Bridgeport, CT
203-745 New Haven, CT
203-751 Ansonia-Derby, CT
203-537 Meriden, CT
203-809 New Haven, CT
203-678 Wallingford, CT
203-267 Woodbury, CT
203-717 Greenwich, CT
203-782 New Haven, CT
203-768 Waterbury, CT