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Region Carrier Name:Connecticut
This is the United States Region Carrier Name:Connecticut Area Code Database page list. You can click the title to browse the detail information.
| City | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Darien | 203 | 2024000 | 2024999 | M |
| Stamford | 203 | 2230000 | 2239999 | M |
| Waterbury | 203 | 2283000 | 2283999 | M |
| Waterbury | 203 | 2286000 | 2286999 | M |
| Waterbury | 203 | 2287000 | 2287999 | M |
| Waterbury | 203 | 2289000 | 2289999 | M |
| Darien | 203 | 2802000 | 2802999 | M |
| Darien | 203 | 2803000 | 2803999 | M |
| Greenwich | 203 | 3028000 | 3028999 | M |
| Milford | 203 | 3066000 | 3066999 | M |
| Milford | 203 | 3067000 | 3067999 | M |
| Milford | 203 | 3068000 | 3068999 | M |
| Milford | 203 | 3069000 | 3069999 | M |
| Darien | 203 | 3097000 | 3097999 | M |
| Darien | 203 | 3098000 | 3098999 | M |
| Darien | 203 | 3099000 | 3099999 | M |
| Danbury | 203 | 3126000 | 3126999 | M |
| Bridgeport | 203 | 3381000 | 3381999 | M |
| Waterbury | 203 | 3468000 | 3468999 | M |
| Waterbury | 203 | 3469000 | 3469999 | M |
| Westport | 203 | 3490000 | 3490999 | M |
| Stamford | 203 | 3587000 | 3587999 | M |
| New Haven | 203 | 3610000 | 3610999 | M |
| New Haven | 203 | 3611000 | 3611999 | M |
| New Haven | 203 | 3612000 | 3612999 | M |
| New Haven | 203 | 3615000 | 3615999 | M |
| Stamford | 203 | 3634000 | 3634999 | M |
| Newtown | 203 | 3646000 | 3646999 | M |
| Newtown | 203 | 3647000 | 3647999 | M |
| Bridgeport | 203 | 3833000 | 3833999 | M |
| Stamford | 203 | 3911000 | 3911999 | M |
| Bridgeport | 203 | 3950000 | 3959999 | M |
| New Haven | 203 | 4019000 | 4019999 | M |
| New Haven | 203 | 4100000 | 4109999 | M |
| Fairfield | 203 | 4181000 | 4181999 | M |
| Waterbury | 203 | 4197000 | 4197999 | M |
| Waterbury | 203 | 4198000 | 4198999 | M |
| Wilton | 203 | 4239000 | 4239999 | M |
| Darien | 203 | 4243000 | 4243999 | M |
| Darien | 203 | 4244000 | 4244999 | M |
| Darien | 203 | 4246000 | 4246999 | M |
| Darien | 203 | 4247000 | 4247999 | M |
| Darien | 203 | 4248000 | 4248999 | M |
| Darien | 203 | 4249000 | 4249999 | M |
| Stamford | 203 | 4288000 | 4288999 | M |
| Waterbury | 203 | 4370000 | 4370999 | M |
| Waterbury | 203 | 4371000 | 4371999 | M |
| Cheshire | 203 | 4391000 | 4391999 | M |
| Wolcott | 203 | 4412000 | 4412999 | M |
| New Canaan | 203 | 4423000 | 4423999 | M |
| New Canaan | 203 | 4427000 | 4427999 | M |
| Meriden | 203 | 4432000 | 4432999 | M |
| Meriden | 203 | 4434000 | 4434999 | M |
| Trumbull | 203 | 4453000 | 4453999 | M |
| Bridgeport | 203 | 4490000 | 4499999 | M |
| Bridgeport | 203 | 4551000 | 4551999 | M |
| Bridgeport | 203 | 4556000 | 4556999 | M |
| Bridgeport | 203 | 4558000 | 4558999 | M |
| Danbury | 203 | 4601000 | 4601999 | M |
| Danbury | 203 | 4602000 | 4602999 | M |
| Danbury | 203 | 4604000 | 4604999 | M |
| Danbury | 203 | 4606000 | 4606999 | M |
| Danbury | 203 | 4607000 | 4607999 | M |
| Waterbury | 203 | 4652000 | 4652999 | M |
| Waterbury | 203 | 4653000 | 4653999 | M |
| Waterbury | 203 | 4655000 | 4655999 | M |
| Naugatuck | 203 | 4905000 | 4905999 | M |
| Naugatuck | 203 | 4907000 | 4907999 | M |
| Naugatuck | 203 | 4908000 | 4908999 | M |
| Naugatuck | 203 | 4909000 | 4909999 | M |
| Greenwich | 203 | 4960000 | 4960999 | M |
| Greenwich | 203 | 4961000 | 4961999 | M |
| Greenwich | 203 | 4962000 | 4962999 | M |
| Greenwich | 203 | 4963000 | 4963999 | M |
| Greenwich | 203 | 4966000 | 4966999 | M |
| Greenwich | 203 | 4967000 | 4967999 | M |
| Greenwich | 203 | 4969000 | 4969999 | M |
| Danbury | 203 | 5012000 | 5012999 | M |
| Danbury | 203 | 5014000 | 5014999 | M |
| Danbury | 203 | 5015000 | 5015999 | M |
| Danbury | 203 | 5016000 | 5016999 | M |
| Stamford | 203 | 5040000 | 5040999 | M |
| Stamford | 203 | 5044000 | 5044999 | M |
| New Haven | 203 | 5073000 | 5073999 | M |
| New Haven | 203 | 5074000 | 5074999 | M |
| New Haven | 203 | 5075000 | 5075999 | M |
| New Haven | 203 | 5076000 | 5076999 | M |
| New Haven | 203 | 5077000 | 5077999 | M |
| New Haven | 203 | 5078000 | 5078999 | M |
| New Haven | 203 | 5079000 | 5079999 | M |
| Waterbury | 203 | 5090000 | 5099999 | M |
| Waterbury | 203 | 5100000 | 5109999 | M |
| Norwalk | 203 | 5150000 | 5159999 | M |
| Waterbury | 203 | 5190000 | 5190999 | M |
| Waterbury | 203 | 5191000 | 5191999 | M |
| Waterbury | 203 | 5192000 | 5192999 | M |
| Waterbury | 203 | 5193000 | 5193999 | M |
| Waterbury | 203 | 5194000 | 5194999 | M |
| Waterbury | 203 | 5195000 | 5195999 | M |
| Waterbury | 203 | 5196000 | 5196999 | M |
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