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 1, MI

1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
313-200 A LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 0   145J TERRA NOVA TELECOM INC. 340      
313-200 1 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 2 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 3 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 4 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 5 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 6 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 7 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 8 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-200 9 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-202 A SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 0 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 1 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 2   460K FIRST COMMUNICATIONS, LLC 340      
313-202 3 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 4 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-202 5 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 6 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 7 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 8 SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-202 9 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-208 A LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 0 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 1 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 2 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 3 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 4 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 5 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 6 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 7 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-208 8 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-208 9 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-209 A SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 0 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 1 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-209 2 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-209 3 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 4 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 5 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 6 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 7 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 8 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-209 9 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
313-210 A SFLDMIMKLMD  598J FIVE9, INC. 340      
313-210 0 SFLDMIMKLMD  598J FIVE9, INC. 340      
313-210 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-210 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-210 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-221 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-221 0 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-221 1   829J PAETEC ITEL, LLC 340      
313-221 2 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-221 3 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-221 4 LIVNMIUX0MD  5562 METROPCS, INC. 340      
313-221 5 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-221 6 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-221 7 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-221 8 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-221 9 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-222 A DTRTMIBLRPA  9323 MICHIGAN BELL TEL CO 340      
313-223 A DTRTMIBLRPA  9323 MICHIGAN BELL TEL CO 340      
313-224 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-225 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-226 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-227 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-230 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 0 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 1 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 2 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 3 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
313-230 5 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 6 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 7 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-230 8 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-230 9 SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-234 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 0 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 1 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 2 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-234 4 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 5 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 6 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 7 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 8 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-234 9 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-235 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-237 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-256 A DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-256 0 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      
313-256 1   829J PAETEC ITEL, LLC 340      
313-256 2 DTRTMIBHDS1  9323 MICHIGAN BELL TEL CO 340      

1 2 3 4 5 6 7 8 9 10 11 12 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.