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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-717 8 Detroit Zone 5 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-717 9 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-718 A Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-718 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-718 1 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
313-718 2 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
313-718 3 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2009-03-09   
313-718 4 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2009-03-09   
313-718 5 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2009-03-09   
313-718 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-718 7 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2009-02-23   
313-718 8 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2009-02-23   
313-718 9 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-719 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-720 A Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-721 A Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-721 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-721 1 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-721 2 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-07-22   
313-721 3 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-721 4 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-721 5 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-721 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-721 7 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-721 8 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-721 9 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-722 A Detroit Zone 6 MI DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-722 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 1 Detroit Zone 6 MI DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-722 2 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 3 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 4 Detroit Zone 6 MI DTRTMIBASMD  516C AT&T CORP. 340   2009-04-28   
313-722 5 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 7 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-722 8 Detroit Zone 6 MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2006-12-10   
313-722 9 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-05-20   
313-723 A Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-723 0 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-09-06   
313-723 1 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-09-30   
313-723 2 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-09-30   
313-723 3 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-10-27   
313-723 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-22   
313-723 5 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-08-29   
313-723 6 Detroit Zone 4 MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-07-15   
313-723 7 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   
313-723 8 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   
313-723 9 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   
313-724 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-724 0 Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      

<< 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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.