Local Calling Guide
Area code/prefix search
NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]
NXX: 477
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
203-477 | A | New Haven | CT | HRFRCT0380Z | 6630 USA MOBILITY WIRELESS, INC. | 920 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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