Local Calling Guide
Area code/prefix search
NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]
NXX: 306
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
231-306 | A | Cadillac | MI | GDRPMIBQ1MD | 4632 TELNET WORLDWIDE, INC. | 348 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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