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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-450 A Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-450 0 Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-450 1 Hesperia MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348      
231-450 2 Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-450 3 Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-450 4 Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-450 5 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-450 6 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-450 7 Hesperia MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-450 8 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-450 9 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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