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: 902

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-902 A Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344      
989-902 0 Saginaw MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2023-11-03   
989-902 1 Saginaw MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2023-11-03   
989-902 3 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2022-06-05   
989-902 4 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2022-06-05   
989-902 8 Saginaw MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2024-11-17   
989-902 9 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2021-06-14   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.