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: 946

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-946 A Detroit Zone 2 MI SFLDMIMK8MD  965H FRACTEL, LLC 340      
313-946 0 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-07-19   
313-946 1 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-07-19   
313-946 2 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-07-19   
313-946 3 Detroit Zone 2 MI SFLDMIMK8MD  965H FRACTEL, LLC 340   2020-02-16   
313-946 4 Detroit Zone 2 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-06   
313-946 5 Detroit Zone 2 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-06   
313-946 6 Detroit Zone 2 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-06   
313-946 7 Detroit Zone 2 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-06   
313-946 8 Detroit Zone 2 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2020-06-06   
313-946 9 Detroit Zone 2 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-04-19   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.