Local Calling Guide
Area code/prefix search
NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]
NXX:
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
231-240 | A | Lake Ann | MI | GDRPMIBQDS1 | 4632 TELNET WORLDWIDE, INC. | 348 | 2004-05-20 |
Last updated: Sun, 10 Nov 2019 13:49:34 UTC
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