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: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-877 A Saginaw MI SGNWMIACCMD  145J TERRA NOVA TELECOM INC. 344      
989-877 0 Saginaw MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-08-26   
989-877 1 Saginaw MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2019-08-01   
989-877 2 Saginaw MI SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344   2022-04-03   
989-877 7 Saginaw MI   145J TERRA NOVA TELECOM INC. 344   2019-05-04   
989-877 8 Saginaw MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-08-26   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.