Local Calling Guide
Area code/prefix search
NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]
NXX: 206
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
231-206 | A | Muskegon | MI | KNWDMIJDAMD | 6664 SPRINT SPECTRUM L.P. | 348 |
Last updated: Sun, 04 Apr 2021 19:28:27 UTC
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