Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 380 [Rate centres in NPA 380] [Dial plan for NPA 380]

NXX: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
380-388 A Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
380-388 0 Alton OH CLMDOH449MD  939H COMMIO, LLC 324   2021-06-20   
380-388 1 Alton OH CLMDOH449MD  939H COMMIO, LLC 324   2021-06-20   
380-388 2 Alton OH CLMDOH449MD  939H COMMIO, LLC 324   2021-06-20   
380-388 3 Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-05   
380-388 4 Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-05   
380-388 5 Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-05   
380-388 6 Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-05   
380-388 7 Alton OH   464C ONVOY, LLC - OH 324   2025-05-02   
380-388 8 Alton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-05   
380-388 9 Alton OH CLMDOH449MD  939H COMMIO, LLC 324   2021-06-20   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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