SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT
5 prefixes in 475 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 475-209 | NEW HAVEN | 9147 | 2014-07-21 | Yes |
| 475-246 | NEW HAVEN | 9147 | 2014-07-22 | Yes |
| 475-247 | NEW HAVEN | 9147 | 2014-07-22 | Yes |
| 475-248 | BRIDGEPORT | 9147 | 2014-07-22 | Yes |
| 475-249 | OLDGRNWICH | 9147 | 2014-07-22 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.