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City Carrier Name:New Haven
This is the United States City Carrier Name:New Haven Area Code Database page list. You can click the title to browse the detail information.
| Region Name | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Connecticut | 203 | 2010000 | 2019999 | M |
| Connecticut | 203 | 4770000 | 4779999 | M |
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