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 6, MI

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-277 5 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-277 6 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-277 7 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-277 8 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-277 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-278 A DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-289 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-291 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-292 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 A LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 0 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 1 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 2 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 3 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 4 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 5   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
313-294 6 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 7   460K FIRST COMMUNICATIONS, LLC 340      
313-294 8 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-294 9 LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-295 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-297 A DTRTMIVWDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 0 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 1 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 2 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 3 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 4 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 5 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 6   829J PAETEC ITEL, LLC 340      
313-299 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-299 8 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-299 9 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-317 A DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-322 A DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-323 A DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-336 A DRBRMIFBDS0  9323 MICHIGAN BELL TEL CO 340      
313-337 A DRBRMIFBDS1  9323 MICHIGAN BELL TEL CO 340      
313-357 A   829J PAETEC ITEL, LLC 340      
313-358 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-358 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-359 A DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 0 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 1 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 2 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 3 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 4 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 5 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 6 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 7 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-359 8 SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340      
313-359 9 DRBRMIDBDS0  9323 MICHIGAN BELL TEL CO 340      
313-374 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-374 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 0 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 2 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 5   829J PAETEC ITEL, LLC 340      
313-375 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 7 TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-375 9 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-377 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-380 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 1 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 3 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-380 5 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-380 6 SFLDMIMK3MD  197D VONAGE AMERICA LLC 340      
313-380 7 SFLDMIMK3MD  197D VONAGE AMERICA LLC 340      
313-380 8 SFLDMITOEMD  495J STRATUS NETWORKS 340      
313-380 9 SFLDMIMK5MD  939H COMMIO, LLC 340      
313-381 A LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-382 A LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-383 A LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      
313-384 A LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-386 A LNPKMIATDS0  9323 MICHIGAN BELL TEL CO 340      

<< 1 2 3 4 5 6 7 8 9 10 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.