Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 260

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-260 A Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348      
231-260 0 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2017-06-19   
231-260 1 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2017-06-19   
231-260 2 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2017-06-19   
231-260 3 Muskegon MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2018-10-18   
231-260 4 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2020-07-06   
231-260 5 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2020-07-06   
231-260 6 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2017-04-30   
231-260 7 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2017-04-30   
231-260 8 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2017-04-30   
231-260 9 Muskegon MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 348   2017-04-30   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.