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: QRTZAZXCPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
928-927 A Quartzsite AZ 2174 SOUTHWESTERN TEL. CO. 730      
928-927 3 Quartzsite AZ 2174 SOUTHWESTERN TEL. CO. 730      
928-927 4 Quartzsite AZ 2174 SOUTHWESTERN TEL. CO. 730      
928-927 5 Quartzsite AZ 2174 SOUTHWESTERN TEL. CO. 730      
928-927 6 Quartzsite AZ 2174 SOUTHWESTERN TEL. CO. 730      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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