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.
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Switch: PHNMAZKH0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
480-328 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
480-475 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-203 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-209 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-210 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-342 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-613 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-637 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-662 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-669 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-823 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
602-913 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
623-212 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      
623-880 A Phoenix AZ 6906 AMERICAN MESSAGING SERVICES, LLC 666      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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