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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-390 A Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-390 0 Big Rapids MI   515J IP HORIZON LLC 348   2021-12-31   
231-390 1 Big Rapids MI BRSPMI091MD  939H COMMIO, LLC 348   2022-12-03   
231-390 2 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-02-19   
231-390 3 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-02-19   
231-390 4 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   
231-390 5 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   
231-390 6 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   
231-390 7 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   
231-390 8 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   
231-390 9 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-12-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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