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.

Detroit Zone 2, MI

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-631 0 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 8 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-631 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-640 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 0 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 1 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 2 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 3 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 4 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 5 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-640 7 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 8 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-640 9 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 0 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 1 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 2 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-642 4 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 5 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 6   829J PAETEC ITEL, LLC 340      
313-642 7   829J PAETEC ITEL, LLC 340      
313-642 8 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-642 9 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-647 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-647 0 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-647 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-647 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-647 3 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-647 4 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-647 5 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-647 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-647 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-647 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-647 9 DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-649 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 2 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-649 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-649 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-649 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 7 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-649 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-649 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-678 A DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 0 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 1 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 2 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 3 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 4 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 5 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 6 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 7 DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 8 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-678 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-692 A SFLDMIDC0MD  4632 TELNET WORLDWIDE, INC. 340      
313-708 A DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-708 0 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-708 1 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-708 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-708 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-708 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-708 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-708 6   490J DISH WIRELESS, LLC 340      
313-708 7 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-708 8 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-708 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-732 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-732 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 4   829J PAETEC ITEL, LLC 340      
313-732 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 6 SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      
313-732 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-732 9 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-743 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-743 0 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-743 1 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-743 2 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-743 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-743 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-743 5   961J WOW! INTERNET, CABLE AND PHONE 340      
313-743 6   145J TERRA NOVA TELECOM INC. 340      
313-743 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-743 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-743 9 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-797 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      

<< 1 2 3 4 5 6 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.