Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-922 A Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 0 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 1 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 2 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 3 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 4 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 5 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 6 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      
248-922 7 Clarkston MI   318J COMCAST IP PHONE LLC 340   2006-09-18   
248-922 8 Clarkston MI WBFDMIMNPS0  288E FUSION COMMUNICATIONS, LLC 340   2007-05-18   
248-922 9 Clarkston MI CKTNMIMNDS0  9323 AMERITECH MICHIGAN 340      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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