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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-856 A Morley MI MRLYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-856 0 Morley MI MRLYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-856 2 Morley MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-10   
231-856 3 Morley MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-26   
231-856 4 Morley MI MRLYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-856 6 Morley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-01   
231-856 7 Morley MI MRLYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-856 8 Morley MI   145J TERRA NOVA TELECOM INC. 348   2022-06-03   
231-856 9 Morley MI BRSPMI096MD  145J TERRA NOVA TELECOM INC. 348   2022-12-17   

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

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