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: 764

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-764 A Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 0 Troy MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2007-08-12   
248-764 1 Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 2 Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 3 Troy MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2011-05-16   
248-764 4 Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 5 Troy MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-06-26   
248-764 6 Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 7 Troy MI SFLDMIQJDS1  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340      
248-764 8 Troy MI SFLEMIFXCM2  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-11-15   
248-764 9 Troy MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-08-27   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.