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: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-624 A Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-624 0 Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-624 1 Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-624 2 Kalkaska MI   515J IP HORIZON LLC 348   2021-12-31   
231-624 3 Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2017-11-18   
231-624 4 Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2017-11-18   
231-624 5 Kalkaska MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-14   
231-624 6 Kalkaska MI   145J TERRA NOVA TELECOM INC. 348   2021-01-19   
231-624 7 Kalkaska MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2018-06-17   
231-624 8 Kalkaska MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-624 9 Kalkaska MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348   2018-11-27   

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

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