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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-502 A Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340      
313-502 0 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 1 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 2 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 3 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 4 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 5 Detroit Zone 1 MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2014-02-02   
313-502 6 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-03-30   
313-502 7 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-01-11   
313-502 8 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-01-11   
313-502 9 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2014-01-11   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.