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]

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-200 A Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 0 Detroit Zone 1 MI   145J TERRA NOVA TELECOM INC. 340   2022-03-16   
313-200 1 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 2 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 3 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 4 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 6 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 7 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 8 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-200 9 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2022-02-24   
313-201 A Detroit Zone 4 MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-202 A Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 0 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 1 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 2 Detroit Zone 1 MI SFLDMIMKNMD  460K FIRST COMMUNICATIONS, LLC 340   2008-08-03   
313-202 3 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 4 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2011-04-12   
313-202 5 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 6 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 7 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 8 Detroit Zone 1 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 9 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-08-09   
313-203 A Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 0 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 1 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 2 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 3 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 4 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 5 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 6 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-06-09   
313-203 7 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-203 8 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2006-03-09   
313-203 9 Detroit Zone 6 MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-204 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-205 A Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 0 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 1 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 2 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 3 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 4 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 5 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 6 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 7 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 8 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-205 9 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-206 A Detroit Zone 6 MI DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-207 A Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 0 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 1 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 2 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 3 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 4 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 5 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 6 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 7 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 8 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-207 9 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-208 A Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 0 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-12-17   
313-208 1 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-12-17   
313-208 2 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-12-17   
313-208 3 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-208 4 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-208 5 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-208 6 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-208 7 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2011-05-29   
313-208 8 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-208 9 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-12-17   
313-209 A Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 0 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 1 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-06   
313-209 2 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-06   
313-209 3 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 4 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 5 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 6 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 7 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 8 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-209 9 Detroit Zone 1 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-05-10   
313-210 A Detroit Zone 1 MI SFLDMIMKLMD  598J FIVE9, INC. 340      
313-210 0 Detroit Zone 1 MI SFLDMIMKLMD  598J FIVE9, INC. 340   2023-07-10   
313-210 1 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-20   
313-210 2 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 3 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 4 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 6 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 7 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 8 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-210 9 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-01-16   
313-212 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-213 A Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-214 A Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-214 0 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-13   
313-214 1 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-13   
313-214 2 Detroit Zone 5 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2013-07-20   
313-214 3 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-30   
313-214 4 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-30   
313-214 5 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-30   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.