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.

Silverbell, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-898 A ELOYAZ05DS0  2226 MIDVALE TELEPHONE EXCHANGE, INC. 666      
520-966 A PHNXAZ19AMD  965H FRACTEL, LLC 666      
520-966 3 PHNXAZ19CMD  516J TON80 COMMUNICATIONS, LLC 666   2022-03-17   
520-966 6 PHNXAZ19AMD  965H FRACTEL, LLC 666   2020-12-18   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.