Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Dilcon, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-319 A   6010 NEW CINGULAR WIRELESS PCS, LLC 980      
928-319 2 STMCAZXEXMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 980   2020-03-27   
928-319 9 STMCAZXE6MD  6010 NEW CINGULAR WIRELESS PCS, LLC 980   2021-10-22   
928-657 A DLKNAZXCRS0  4449 NAVAJO COMM CO INC - AZ DBA FRONTIER NAVAJO COM 980      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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