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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-782 2 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-08-13   
313-782 3 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-08-31   
313-782 4 Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-10-26   
313-782 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-10-19   
313-782 6 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-10-19   
313-782 7 Detroit Zone 1 MI DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-782 8 Detroit Zone 1 MI DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-782 9 Detroit Zone 1 MI DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340   2012-07-22   
313-784 A Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-784 0 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-05-11   
313-784 1 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-02   
313-784 2 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2008-12-18   
313-784 3 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-11-14   
313-784 4 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-10-26   
313-784 5 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-10-26   
313-784 6 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-10-26   
313-784 7 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-10-26   
313-784 8 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-10-26   
313-784 9 Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-786 A Detroit Zone 5 MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
313-787 A Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-787 0 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-06-03   
313-787 1 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-06-01   
313-787 2 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-04-24   
313-787 3 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-04-24   
313-787 4 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-04-24   
313-787 5 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-06-23   
313-787 6 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-06-01   
313-787 7 Detroit Zone 6 MI SFLDMIMKEMD  490J DISH WIRELESS, LLC 340   2023-12-05   
313-787 8 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-06-19   
313-787 9 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-06-01   
313-788 A Detroit Zone 3 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-788 0 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 1 Detroit Zone 3 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2016-01-16   
313-788 2 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 3 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 4 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 5 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 6 Detroit Zone 3 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-788 7 Detroit Zone 3 MI SFLDMIDC0MD  4632 TELNET WORLDWIDE, INC. 340   2016-04-01   
313-788 8 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-04-28   
313-788 9 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-04-28   
313-789 A Detroit Zone 6 MI DTRTMIBASMD  516C AT&T CORP. 340      
313-789 0 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-03-02   
313-789 1 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-04-06   
313-789 2 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-04-06   
313-789 3 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2015-04-06   
313-789 4 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-07-02   
313-789 5 Detroit Zone 6 MI DTRTMIBASMD  516C AT&T CORP. 340   2015-02-08   
313-789 6 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-10   
313-789 7 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2015-11-25   
313-789 8 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2015-07-20   
313-789 9 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-03-23   
313-790 A Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 0 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 1 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 2 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 3 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 4 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 5 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 6 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 7 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 8 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-790 9 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-791 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 0 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 1 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-11-12   
313-791 2 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 3 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 4 Detroit Zone 6 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-11-01   
313-791 5 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 6 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 7 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-04-21   
313-791 8 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-791 9 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-792 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-793 A Detroit Zone 4 MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-794 A Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 0 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 1 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 2 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 3 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 4 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 5 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 6 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 7 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 8 Detroit Zone 5 MI DTRTMIRFDS0  9323 MICHIGAN BELL TEL CO 340      
313-794 9 Detroit Zone 5 MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340   2009-06-04   
313-795 A Detroit Zone 4 MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-796 A Detroit Zone 4 MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-797 A Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 0 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-02-05   
313-797 1 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 2 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 3 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 4 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 5 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 6 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 7 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   
313-797 8 Detroit Zone 2 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2015-10-31   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.