Local Calling Guide
Area code/prefix search
NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]
NXX: 437
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
307-437 | A | Midwest | WY | MDWSWYXCRS1 | 3410 RT COMMUNICATIONS | 654 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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