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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-558 A Clarkston MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340      
248-558 0 Clarkston MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2011-09-19   
248-558 1 Clarkston MI SFLDMIMNXOX  528A FIRST COMMUNICATIONS, LLC - MI 340   2012-01-13   
248-558 2 Clarkston MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2012-04-08   
248-558 3 Clarkston MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2013-01-31   
248-558 4 Clarkston MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-02-25   
248-558 5 Clarkston MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-02-25   
248-558 6 Clarkston MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-02-25   
248-558 7 Clarkston MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-02-25   
248-558 8 Clarkston MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-02-25   
248-558 9 Clarkston MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2011-09-19   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.