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
313-305 9 Detroit Zone 3 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-306 A Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 0 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-11-23   
313-306 1 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-11-23   
313-306 2 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-11-23   
313-306 3 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-11-23   
313-306 4 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-12-14   
313-306 5 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-12-14   
313-306 6 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-03-03   
313-306 7 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-306 8 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2019-03-23   
313-306 9 Detroit Zone 4 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-11-24   
313-307 A Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-307 0 Detroit Zone 4 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-11-19   
313-307 1 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-307 2 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-307 3 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2013-11-16   
313-307 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2013-11-16   
313-307 5 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-02-24   
313-307 6 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-04-14   
313-307 7 Detroit Zone 4 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2014-02-09   
313-307 8 Detroit Zone 4 MI DTRTMIBASMD  516C AT&T CORP. 340   2014-04-28   
313-307 9 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-07-19   
313-308 A Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 0 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 1 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 2 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 3 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 4 Detroit Zone 2 MI DTRTMIBHMMD  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2004-01-13   
313-308 5 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-06-05   
313-308 6 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-06-05   
313-308 7 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-07-17   
313-308 8 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-308 9 Detroit Zone 2 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 A Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 0 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 1 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 2 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 3 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 4 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 5 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 6 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 7 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-309 8 Detroit Zone 1 MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340   2012-05-09   
313-309 9 Detroit Zone 1 MI DTRTMIBHMMD  7701 PHONE MICHIGAN - MI 340      
313-310 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-312 A Detroit Zone 3 MI DTRTMIBHMMD  8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340      
313-312 0 Detroit Zone 3 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-03-05   
313-312 1 Detroit Zone 3 MI DTRTMIBHMMD  8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-11-30   
313-312 2 Detroit Zone 3 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-02-15   

<< 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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.