Local Calling Guide
Area code/prefix search
NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]
NXX: 422
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
307-422 | A | Chugwater | WY | CHGWWYXCDS1 | 2289 CHUGWATER TEL. CO. | 654 |
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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