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.

Switch: SGNWMIFAXOY

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-996 7 Saginaw MI 6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-01-14   
989-996 8 Saginaw MI 6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-01-14   
989-996 9 Saginaw MI 6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-998 6 Owosso MI 6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2022-11-11   

<< 1 2 3 4 5 6 7

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.