Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-402 A Muskegon MI   543C ONVOY, LLCV - MI 348   2022-03-26   
231-402 0 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2022-03-27   
231-402 1 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2022-03-27   
231-402 2 Muskegon MI   543C ONVOY, LLCV - MI 348   2022-03-26   
231-402 3 Muskegon MI   543C ONVOY, LLCV - MI 348   2022-03-26   
231-402 4 Muskegon MI   543C ONVOY, LLCV - MI 348   2022-03-26   
231-402 5 Muskegon MI   543C ONVOY, LLCV - MI 348   2022-03-26   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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