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
313-797 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-797 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-821 A DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 0 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 1 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 2 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 3 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 4 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-821 5 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 6   829J PAETEC ITEL, LLC 340      
313-821 7 SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
313-821 8 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-821 9 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-822 A DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 A DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 0 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 1 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-823 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-823 4 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 6 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 7 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 8 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-823 9 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 A DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 0 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 1 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-824 2 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 3 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-824 4 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 5 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 6 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-824 8 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-824 9 DTRTMILXDS0  9323 MICHIGAN BELL TEL CO 340      
313-825 A SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-825 0 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-825 1   829J PAETEC ITEL, LLC 340      
313-825 2 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-825 3 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-825 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-825 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-825 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-825 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-825 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-825 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-839 A DTRTMIPGDS0  9323 MICHIGAN BELL TEL CO 340      
313-881 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-882 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-884 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-885 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-886 A DTRTMINIDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 A DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 0 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 1 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 2 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 3 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 4 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-921 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-921 7 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 8 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-921 9 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 A DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 0 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 1 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-922 3 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 4 DTRTMIBASMD  516C AT&T CORP. 340      
313-922 5   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-922 6 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-922 8 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-922 9 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-923 A DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-923 0 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-923 1 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-923 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-923 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-923 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-923 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-923 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-923 7 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-923 8 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-923 9 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-924 A DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-924 0 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-924 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-924 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-924 3 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-924 4 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-924 5 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-924 6 DTRTMIPEDS0  9323 MICHIGAN BELL TEL CO 340      
313-924 7   829J PAETEC ITEL, LLC 340      

<< 1 2 3 4 5 6 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.