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.

Martin, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
269-297 A GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-297 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
269-297 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
269-297 7 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-297 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
269-442 A DELTMIXI1MD  194H MEI TELECOM, INC. - MI 348      
269-442 0 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 1 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 2 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 4 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 5 GDRPMIBL15Z  516C AT&T CORP. 348      
269-442 6 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
269-442 7 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
269-442 8 GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
269-442 9 DELTMIXI1MD  194H MEI TELECOM, INC. - MI 348      
269-672 A MARTMIMTRPA  9323 MICHIGAN BELL TEL CO 348      
269-672 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
269-672 1   829J PAETEC ITEL, LLC 348      
269-672 2 GDRPMIBLXDZ  5562 METROPCS, INC. 348      
269-672 3 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
269-672 4 GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
269-672 5 MARTMIMTRPA  9323 MICHIGAN BELL TEL CO 348      
269-672 6 GDRPMIBLXDZ  5562 METROPCS, INC. 348      
269-672 7 MARTMIMTRPA  9323 MICHIGAN BELL TEL CO 348      
269-672 8   829J PAETEC ITEL, LLC 348      
269-672 9 MARTMIMTRPA  9323 MICHIGAN BELL TEL CO 348      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.