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