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
313-201 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-241 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-241 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-241 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-241 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-241 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 7 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-241 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-243 A   829J PAETEC ITEL, LLC 340      
313-243 0   829J PAETEC ITEL, LLC 340      
313-243 1   829J PAETEC ITEL, LLC 340      
313-243 2   829J PAETEC ITEL, LLC 340      
313-243 3   829J PAETEC ITEL, LLC 340      
313-243 4 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-243 5   829J PAETEC ITEL, LLC 340      
313-243 6 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-243 7   829J PAETEC ITEL, LLC 340      
313-243 8   829J PAETEC ITEL, LLC 340      
313-243 9   829J PAETEC ITEL, LLC 340      
313-270 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 0   829J PAETEC ITEL, LLC 340      
313-270 1 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 2 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 3 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 4 DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-270 5   829J PAETEC ITEL, LLC 340      
313-270 6   197D VONAGE AMERICA LLC 340      
313-270 7 DTRTMIBASMD  516C AT&T CORP. 340      
313-270 8   961J WOW! INTERNET, CABLE AND PHONE 340      
313-270 9 SFLDMIDICA0  2550 123.NET, LLC 340      
313-272 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-273 A DTRTMIVTDS0  9323 MICHIGAN BELL TEL CO 340      
313-279 A SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 0 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 2   829J PAETEC ITEL, LLC 340      
313-279 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-279 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-279 5 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 6 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-279 7 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-279 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-279 9 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-288 A   829J PAETEC ITEL, LLC 340      
313-288 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-288 1   829J PAETEC ITEL, LLC 340      
313-288 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-288 3   829J PAETEC ITEL, LLC 340      
313-288 4 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-288 5 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-288 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-288 7   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
313-288 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-288 9 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 1 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 2 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 3 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 7 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-306 8 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-306 9 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-307 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-307 0 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-307 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-307 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-307 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-307 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-307 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-307 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-307 7 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-307 8 DTRTMIBASMD  516C AT&T CORP. 340      
313-307 9 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-325 A CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
313-340 A DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 0 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 1 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 2 DTRTMIBASMD  516C AT&T CORP. 340      
313-340 3 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 4 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 5 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 6 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 7 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 8 DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-340 9 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-341 A DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-342 A DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-345 A DTRTMIUVDS0  9323 MICHIGAN BELL TEL CO 340      
313-364 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-364 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-364 1 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-364 2 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-364 3 LIVNMIUX0MD  5562 METROPCS, INC. 340      

1 2 3 4 5 6 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.