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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-477 A East Tawas MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2025-04-03   
989-477 0 East Tawas MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2025-04-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.