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: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 732

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-732 A Detroit Zone 2 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-732 0 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-27   
313-732 1 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-10-21   
313-732 2 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-09-27   
313-732 3 Detroit Zone 2 MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2009-09-23   
313-732 4 Detroit Zone 2 MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2005-12-12   
313-732 5 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-20   
313-732 6 Detroit Zone 2 MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-04-04   
313-732 7 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-20   
313-732 8 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-10-21   
313-732 9 Detroit Zone 2 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.