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: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-889 A Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-889 0 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-08-08   
928-889 1 Lake Havasu City AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2021-03-05   
928-889 2 Lake Havasu City AZ   630E ONVOY, LLC - AZ 666   2022-06-08   
928-889 3 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-07-05   
928-889 4 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-07-05   
928-889 5 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-07-05   
928-889 6 Lake Havasu City AZ GLVYAZXC2MD  6529 T-MOBILE USA, INC. 666   2021-05-08   
928-889 7 Lake Havasu City AZ GLVYAZXC2MD  6529 T-MOBILE USA, INC. 666   2021-02-06   
928-889 8 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-02-05   
928-889 9 Lake Havasu City AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2021-02-05   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.