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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-318 A Bay City MI SGNWMIFAY0X  425J CSC WIRELESS, LLC 344      
989-318 0 Bay City MI SGNWMIAC6MD  939H COMMIO, LLC 344   2022-09-26   
989-318 1 Bay City MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2022-12-16   
989-318 2 Bay City MI SGNWMIFAY0X  425J CSC WIRELESS, LLC 344   2020-08-24   
989-318 3 Bay City MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2020-11-13   
989-318 4 Bay City MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2020-11-13   
989-318 5 Bay City MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2020-11-13   
989-318 6 Bay City MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-11-14   
989-318 7 Bay City MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-11-14   
989-318 8 Bay City MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-08-26   
989-318 9 Bay City MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2021-04-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.