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
313-263 7 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-09-11   
313-263 8 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2005-07-09   
313-263 9 Detroit Zone 1 MI DTRTMIBADS1  7421 AT&T - LOCAL 340      
313-264 A Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-264 0 Detroit Zone 2 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-10-21   
313-264 1 Detroit Zone 2 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2014-01-06   
313-264 2 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-09   
313-264 3 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-09   
313-264 4 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-09   
313-264 5 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-09   
313-264 6 Detroit Zone 2 MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2013-11-05   
313-264 7 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-09   
313-264 8 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-22   
313-264 9 Detroit Zone 2 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-07-22   
313-265 A Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-265 0 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-265 1 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-265 2 Detroit Zone 1 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2013-09-06   
313-265 3 Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2013-10-06   
313-265 4 Detroit Zone 1 MI DTRTMIBHMMD  8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2013-10-25   
313-265 5 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-12-23   
313-265 6 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-10   
313-265 7 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-10   
313-265 8 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-10   
313-265 9 Detroit Zone 1 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2013-08-10   
313-266 A Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-266 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 1 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 2 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 3 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 4 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 5 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 7 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 8 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-266 9 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-10-09   
313-267 A Detroit Zone 2 MI DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-268 A Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-269 A Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-270 A Detroit Zone 4 MI DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 0 Detroit Zone 4 MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2006-04-14   
313-270 1 Detroit Zone 4 MI DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 2 Detroit Zone 4 MI DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 3 Detroit Zone 4 MI DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 4 Detroit Zone 4 MI DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 5 Detroit Zone 4 MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2008-07-05   
313-270 7 Detroit Zone 4 MI DTRTMIBASMD  516C AT&T CORP. 340   2008-11-25   
313-270 8 Detroit Zone 4 MI TROYMIUVPS0  668E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 340   2007-08-02   
313-270 9 Detroit Zone 4 MI SFLDMIDICA0  2550 123.NET, INC. 340   2008-04-18   
313-271 A Detroit Zone 6 MI DRBRMIFBDS0  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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.