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
313-546 9 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-547 A Detroit Zone 5 MI SFLDMIMKDMD  321J HD CARRIER LLC 340      
313-547 0 Detroit Zone 5 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-547 1 Detroit Zone 5 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-547 2 Detroit Zone 5 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-547 3 Detroit Zone 5 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-547 4 Detroit Zone 5 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-547 5 Detroit Zone 5 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-547 6 Detroit Zone 5 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-547 7 Detroit Zone 5 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-547 8 Detroit Zone 5 MI SFLDMIMK5MD  939H COMMIO, LLC 340      
313-547 9 Detroit Zone 5 MI SFLDMIMKDMD  321J HD CARRIER LLC 340      
313-548 A Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-548 0 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-548 1 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-548 2 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-548 3 Detroit Zone 2 MI   490J DISH WIRELESS, LLC 340      
313-548 4 Detroit Zone 2 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-548 5 Detroit Zone 2 MI   197D VONAGE AMERICA LLC 340      
313-548 6 Detroit Zone 2 MI SFLDMIMK3MD  197D VONAGE AMERICA LLC 340      
313-548 7 Detroit Zone 2 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-548 8 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-548 9 Detroit Zone 2 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-549 A Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-550 A Detroit Zone 5 MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
313-551 A Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-551 0 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-551 1 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-551 2 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-551 3 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-551 4 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-551 5 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-551 6 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-551 7 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-551 8 Detroit Zone 6 MI   829J PAETEC ITEL, LLC 340      
313-551 9 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-552 A Detroit Zone 1 MI SFLDMIMKCMD  321J HD CARRIER LLC 340      
313-552 0 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-552 1 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-552 2 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-552 3 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-552 4 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-552 5 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-552 6 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-552 7 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-552 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-552 9 Detroit Zone 1 MI SFLDMIMKCMD  321J HD CARRIER LLC 340      
313-553 A Detroit Zone 1 MI DTRTMIRVDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 A Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 0 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 1 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 2 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 3 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 4 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 5 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-554 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-554 7 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-554 8 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-554 9 Detroit Zone 6 MI DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-556 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-556 0 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-556 1 Detroit Zone 1 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-556 2 Detroit Zone 1 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-556 3 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-556 4 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-556 5 Detroit Zone 1 MI   829J PAETEC ITEL, LLC 340      
313-556 6 Detroit Zone 1 MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-556 7 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-556 8 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-556 9 Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-557 A Detroit Zone 1 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-558 A Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-558 0 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-558 1 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 2 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 3 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 4 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 5 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-558 7 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-558 8 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-558 9 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-559 A Detroit Zone 5 MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
313-559 0 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 2 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 3 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 4 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 5 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 6 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 7 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-559 8 Detroit Zone 5 MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
313-559 9 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-560 A Detroit Zone 5 MI SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
313-561 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-562 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-563 A Detroit Zone 6 MI DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-564 A Detroit Zone 3 MI RYLOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
313-564 0 Detroit Zone 3 MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
313-564 1 Detroit Zone 3 MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-564 2 Detroit Zone 3 MI RYLOMIMNDS0  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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.