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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-581 A Ovid MI OVIDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-581 0 Ovid MI OVIDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   
989-581 1 Ovid MI SGNWMIFAZMD  2550 123.NET, INC. 344   2005-09-03   
989-581 3 Ovid MI SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2012-12-17   
989-581 4 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-08-08   
989-581 5 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-08-08   
989-581 6 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-08-08   
989-581 7 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-08-08   
989-581 8 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-04-08   
989-581 9 Ovid MI SGNWMIFACM3  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-04-08   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.