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.

Lake Pleasant, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-252 A PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
928-252 1   318J COMCAST IP PHONE, LLC 666   2017-10-21   
928-252 2   318J COMCAST IP PHONE, LLC 666   2007-01-11   
928-252 3   318J COMCAST IP PHONE, LLC 666   2007-11-27   
928-252 4   318J COMCAST IP PHONE, LLC 666   2010-02-14   
928-252 5   490J DISH WIRELESS, LLC 666   2023-10-01   
928-252 6   318J COMCAST IP PHONE, LLC 666   2005-01-19   
928-252 7   516J TON80 COMMUNICATIONS, LLC 666   2022-03-14   
928-501 A PEORAZFSDS0  2191 ACCIPITER COMMUNICATIONS INC 666      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.