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: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-605 A Clarkston MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-605 0 Clarkston MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-06-26   
248-605 1 Clarkston MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2005-02-17   
248-605 2 Clarkston MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340   2005-02-18   
248-605 3 Clarkston MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-02-02   
248-605 4 Clarkston MI SFLDMI48DS0  1200 TALK AMERICA INC. - MI 340   2005-04-10   
248-605 5 Clarkston MI LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2005-07-09   
248-605 6 Clarkston MI ANARMIMNDS2  3535 ACD TELECOM, INC. - MI 340   2005-07-16   
248-605 7 Clarkston MI SFLDMIWKDS0  4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-07-19   
248-605 8 Clarkston MI SFLDMIWKDS2  4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-07-19   
248-605 9 Clarkston MI SFLDMIWKDS2  4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-07-19   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.