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.

OCN: 2172 CITIZENS UTILITIES RURAL DBA FRONTIER UT RURAL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
928-219 3 Bullhead City AZ BLCYAZXCDS0  666   2008-09-20   
928-263 A Kingman AZ KGMNAZXEDS0  666      
928-263 3 Kingman AZ KGMNAZXEDS0  666   2010-01-02   
928-263 4 Kingman AZ KGMNAZXEDS0  666   2007-06-24   
928-263 5 Kingman AZ KGMNAZXEDS0  666   2008-09-11   
928-302 5 Lake Havasu City AZ LHCYAZXCDS0  666   2007-05-12   
928-444 1 Bullhead City AZ BLCYAZXCDS0  666   2005-06-27   
928-453 A Lake Havasu City AZ LHCYAZXCDS0  666      
928-505 A Lake Havasu City AZ LHCYAZXCDS0  666      
928-564 A Meadview AZ MDVWAZXCRS0  666      
928-564 2 Meadview AZ MDVWAZXCRS0  666      
928-564 9 Meadview AZ MDVWAZXCRS0  666      
928-565 A Kingman AZ GLVYAZXCRS0  666      
928-565 2 Kingman AZ GLVYAZXCRS0  666      
928-565 3 Kingman AZ GLVYAZXCRS0  666      
928-565 4 Kingman AZ GLVYAZXCRS0  666      
928-565 5 Kingman AZ GLVYAZXCRS0  666      
928-565 7 Kingman AZ GLVYAZXCRS0  666      
928-565 9 Kingman AZ GLVYAZXCRS0  666      
928-680 A Lake Havasu City AZ LHCYAZXCDS0  666      
928-681 A Kingman AZ KGMNAZXEDS0  666      
928-681 0 Kingman AZ KGMNAZXEDS0  666      
928-681 1 Kingman AZ KGMNAZXEDS0  666      
928-681 2 Kingman AZ KGMNAZXEDS0  666      
928-681 3 Kingman AZ KGMNAZXEDS0  666      
928-681 4 Kingman AZ KGMNAZXEDS0  666      
928-681 5 Kingman AZ KGMNAZXEDS0  666      
928-681 6 Kingman AZ KGMNAZXEDS0  666      
928-681 8 Kingman AZ KGMNAZXEDS0  666      
928-681 9 Kingman AZ KGMNAZXEDS0  666      
928-692 A Kingman AZ KGMNAZXEDS0  666      
928-704 A Bullhead City AZ BLCYAZXCDS0  666      
928-718 A Kingman AZ KGMNAZXCDS0  666      
928-753 A Kingman AZ KGMNAZXCPS0  666      
928-754 A Bullhead City North AZ BLCYAZXERS1  666      
928-754 1 Bullhead City North AZ BLCYAZXERS1  666      
928-754 2 Bullhead City North AZ BLCYAZXERS1  666      
928-754 3 Bullhead City North AZ BLCYAZXERS1  666      
928-754 4 Bullhead City North AZ BLCYAZXERS1  666      
928-754 5 Bullhead City North AZ BLCYAZXERS1  666      
928-754 6 Bullhead City North AZ BLCYAZXERS1  666      
928-754 9 Bullhead City North AZ BLCYAZXERS1  666      
928-757 A Kingman AZ KGMNAZXEDS0  666      
928-758 A Bullhead City AZ BLCYAZXCDS0  666      
928-763 A Bullhead City AZ BLCYAZXCDS0  666      
928-764 A Castle Rock AZ CSRKAZXCRS1  666      
928-764 1 Castle Rock AZ CSRKAZXCRS1  666      
928-764 2 Castle Rock AZ CSRKAZXCRS1  666      
928-764 3 Castle Rock AZ CSRKAZXCRS1  666      
928-764 4 Castle Rock AZ CSRKAZXCRS1  666      
928-764 9 Castle Rock AZ CSRKAZXCRS1  666      
928-765 A Wikieup AZ WIKPAZXCRS0  666      
928-765 2 Wikieup AZ WIKPAZXCRS0  666      
928-765 9 Wikieup AZ WIKPAZXCRS0  666      
928-766 A Yucca AZ YUCCAZXCRS0  666      
928-766 2 Yucca AZ YUCCAZXCRS0  666      
928-766 9 Yucca AZ YUCCAZXCRS0  666      
928-767 A Lake Mohave Ranchos AZ DLSPAZXCRS0  666      
928-767 3 Lake Mohave Ranchos AZ DLSPAZXCRS0  666      
928-767 4 Lake Mohave Ranchos AZ DLSPAZXCRS0  666      
928-767 9 Lake Mohave Ranchos AZ DLSPAZXCRS0  666      
928-768 A Mohave Valley AZ MHVYAZXCRS0  666      
928-769 A Peach Springs AZ TXTNAZABRS0  666      
928-769 1 Peach Springs AZ TXTNAZABRS0  666      
928-769 2 Peach Springs AZ TXTNAZABRS0  666      
928-769 9 Peach Springs AZ TXTNAZABRS0  666      
928-788 A Mohave Valley AZ MHVYAZXCRS0  666      
928-788 1 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 2 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 3 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 4 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 6 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 7 Mohave Valley AZ MHVYAZXCRS0  666      
928-788 9 Mohave Valley AZ MHVYAZXCRS0  666      
928-854 A Lake Havasu City AZ LHCYAZXCDS0  666      
928-855 A Lake Havasu City AZ LHCYAZXCDS0  666      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.