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: 880

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-880 A Muskegon MI MSKGMIXKKMD  622J SKYE TELECOM LLC DBA SKYETEL 348      
231-880 0 Muskegon MI MSKGMIXKKMD  622J SKYE TELECOM LLC DBA SKYETEL 348   2021-11-07   
231-880 1 Muskegon MI BRSPMI091MD  939H COMMIO, LLC 348   2021-11-08   
231-880 2 Muskegon MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-11-08   
231-880 3 Muskegon MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2023-08-12   
231-880 4 Muskegon MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2023-08-12   
231-880 5 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2023-06-02   
231-880 6 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2023-06-02   
231-880 7 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2022-01-11   
231-880 8 Muskegon MI BRSPMI091MD  939H COMMIO, LLC 348   2021-11-08   
231-880 9 Muskegon MI BRSPMI091MD  939H COMMIO, LLC 348   2021-11-08   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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