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: SGNWMIATTMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-220 4 Saginaw MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-03   
989-220 5 Saginaw MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-03   
989-272 5 Saginaw MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-03   
989-272 6 Saginaw MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-03   
989-332 6 Saginaw MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-03   
989-402 6 Bay City MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2011-09-06   
989-447 A St Charles MI 260E YMAX COMMUNICATIONS CORP. - MI 344      
989-447 0 St Charles MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-12   
989-447 1 St Charles MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-12   
989-486 4 Midland MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2009-07-28   
989-486 5 Midland MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-10   
989-495 6 Midland MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2011-09-08   
989-545 4 Bay City MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-10   
989-545 5 Bay City MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-10   
989-545 6 Bay City MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2008-12-10   
989-545 7 Bay City MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2010-06-07   
989-941 4 Midland MI 260E YMAX COMMUNICATIONS CORP. - MI 344   2010-05-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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