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 4, MI

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-635 9 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 1 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 3 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-636 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-636 8 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-636 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-646 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-646 0 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-646 1 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-646 2 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-646 3 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-646 4 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-646 5 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-646 6 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-646 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-646 8 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-646 9 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-651 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-651 0 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-651 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-651 2 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-651 3 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-651 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-651 5 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-651 6 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-651 7 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-651 8 SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
313-651 9 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-653 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-653 0 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-653 1   543C ONVOY, LLCV - MI 340      
313-653 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-653 3 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-653 4 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-653 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-653 6   829J PAETEC ITEL, LLC 340      
313-653 7   460K FIRST COMMUNICATIONS, LLC 340      
313-653 8   829J PAETEC ITEL, LLC 340      
313-653 9 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-659 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 0 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 1 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 2 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-659 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-659 5 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 6 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-659 7 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-659 8 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-659 9 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-677 A SFLDMIMK8MD  965H FRACTEL, LLC 340      
313-677 0 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 1 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 2 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 3 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 4 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 5 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 6 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 7 SFLDMIMK8MD  965H FRACTEL, LLC 340      
313-677 8 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-677 9 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-684 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-696 A SFLDMITOKMD  732J NUSO, LLC 340      
313-696 0 SFLDMITOKMD  732J NUSO, LLC 340      
313-696 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-696 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-696 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-696 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-696 5 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
313-696 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-696 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-696 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-696 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-699 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-723 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-723 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-723 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-723 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-723 3 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-723 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-723 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-723 6 SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      
313-723 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-723 8 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.