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.

Switch: SGNWMIFADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-260 3 East Tawas MI 3535 ACD TELECOM, INC. - MI 344   2018-12-09   
989-302 9 Houghton Lake MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-331 3 Alma MI 3535 ACD TELECOM, INC. - MI 344   2009-01-22   
989-349 9 Birch Run MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-403 A St Johns MI 3535 ACD TELECOM, INC. - MI 344      
989-403 3 St Johns MI 3535 ACD TELECOM, INC. - MI 344   2009-02-08   
989-455 9 Vassar MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-480 9 Frankenmuth MI 3535 ACD TELECOM, INC. - MI 344   2009-01-24   
989-541 9 Durand MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-545 3 Bay City MI 3535 ACD TELECOM, INC. - MI 344   2009-01-22   
989-584 5 Carson City MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-678 9 Owendale MI 3535 ACD TELECOM, INC. - MI 344   2011-09-05   
989-750 9 Midland MI 3535 ACD TELECOM, INC. - MI 344   2009-01-22   
989-817 9 Mount Pleasant MI 3535 ACD TELECOM, INC. - MI 344   2009-01-22   
989-847 7 Ashley MI 3535 ACD TELECOM, INC. - MI 344   2011-09-02   
989-866 7 Winn MI 3535 ACD TELECOM, INC. - MI 344   2011-07-28   
989-890 3 Saginaw MI 3535 ACD TELECOM, INC. - MI 344   2009-01-22   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.