203 – Connecticut Area Codes

Number structure

+1203202
208
20
210
21
220
...
United StatesConnecticutCode of CityNumber

List of area codes

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CityArea Code
Ansonia203-20, 203-21, 203-220, 203-223, 203-224, 203-228, 203-231, 203-232, 203-233, 203-236, 203-24, 203-251, 203-252, 203-253, 203-257, 203-258, 203-260, 203-261, 203-268, 203-27, 203-280, 203-282, 203-285, 203-289, 203-29, 203-30, 203-310, 203-311, 203-313, 203-314, 203-317, 203-320, 203-321, 203-326, 203-328, 203-337, 203-338, 203-339, 203-34, 203-350, 203-351, 203-352, 203-355, 203-360, 203-361, 203-363, 203-365, 203-369, 203-370, 203-373, 203-376, 203-379, 203-382, 203-383, 203-387, 203-388, 203-389, 203-39, 203-4, 203-5, 203-6, 203-70, 203-71, 203-72, 203-731, 203-733, 203-734, 203-735, 203-736, 203-738, 203-741, 203-742, 203-745, 203-747, 203-749, 203-750, 203-751, 203-76, 203-770, 203-771, 203-774, 203-779, 203-780, 203-784, 203-786, 203-788, 203-793, 203-796, 203-8, 203-9
Bethany203-393
Bethlehem203-266
Branford203-208, 203-315, 203-481, 203-483, 203-488
Bridgeport203-33, 203-345, 203-362, 203-366, 203-367, 203-368, 203-371, 203-372, 203-374, 203-384, 203-576, 203-579, 203-612, 203-870
Brookfield203-740, 203-775
Cheshire203-250, 203-271, 203-272, 203-439, 203-699
Danbury203-730, 203-739, 203-743, 203-744, 203-748, 203-778, 203-79, 203-826
Darien203-202, 203-655, 203-656, 203-662
Derby203-732
East Haven203-466, 203-467, 203-468, 203-469
Fairfield203-254, 203-255, 203-256, 203-259, 203-292, 203-319
Greenwich203-340, 203-422, 203-531, 203-532, 203-622, 203-625, 203-629, 203-661, 203-861, 203-863, 203-869, 203-987
Guilford203-453, 203-457, 203-458
Hamden203-230, 203-248, 203-281, 203-287, 203-288, 203-407
Madison203-245, 203-318, 203-421
Meriden203-235, 203-237, 203-238, 203-440, 203-630, 203-634, 203-639, 203-694
Middlebury203-598
Milford203-283, 203-301, 203-701, 203-783, 203-874, 203-876, 203-877, 203-878, 203-882
Monroe203-880
Naugatuck203-720, 203-723, 203-729
New Canaan203-594, 203-801, 203-966, 203-972
New Fairfield203-312, 203-746
New Haven203-432, 203-498, 203-503, 203-562, 203-624, 203-688, 203-737, 203-752, 203-764, 203-772, 203-773, 203-776, 203-777, 203-781, 203-782, 203-785, 203-787, 203-789, 203-865, 203-946, 203-974
Newtown203-270, 203-304, 203-364, 203-426
North Haven203-234, 203-239
Norwalk203-229, 203-286, 203-299, 203-354, 203-831, 203-838, 203-840, 203-845, 203-846, 203-847, 203-849, 203-852, 203-853, 203-854, 203-855, 203-857, 203-866, 203-899, 203-956
Orange203-795, 203-799, 203-891
Prospect203-758
Ridgefield203-431, 203-438, 203-894
Seymour203-888
Shelton203-225, 203-513, 203-922, 203-924, 203-925, 203-926, 203-929, 203-944
Southbury203-262, 203-264, 203-267, 203-405
Stamford203-276, 203-316, 203-32, 203-348, 203-353, 203-356, 203-357, 203-358, 203-359, 203-504, 203-569, 203-595, 203-961, 203-964, 203-967, 203-968, 203-969, 203-975, 203-977, 203-978
Stratford203-375, 203-377, 203-378, 203-380, 203-381, 203-385, 203-386
Wallingford203-265, 203-269, 203-284, 203-294, 203-626, 203-949
Waterbury203-437, 203-527, 203-528, 203-573, 203-574, 203-575, 203-591, 203-596, 203-597, 203-709, 203-75
West Haven203-931, 203-932, 203-933, 203-934, 203-937
Westport203-221, 203-222, 203-226, 203-227, 203-341, 203-454, 203-557
Wilton203-210, 203-563, 203-761, 203-762, 203-834
Wolcott203-879
Woodbury203-263
All area codes in Connecticut

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Area Codes Search Notes

Fixed phone numbers in the United States, state Connecticut (area code 203) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly. Browse our sites area and region codes by state and city to ensure you have the correct information for your calls. Each states page contains a list of the cities within that state and the numbers of that area. Also available are local times. So you don’t have to worry about calling too late or early again.

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