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.

NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-657 A Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 0 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 1 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 2 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 3 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 4 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 5 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 6 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 9 Alpena MI GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.