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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-580 A Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 0 Big Rapids MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2003-11-25   
231-580 1 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 3 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 4 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2011-01-28   
231-580 5 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-04-17   
231-580 6 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 7 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2011-04-10   
231-580 8 Big Rapids MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-07-02   
231-580 9 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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