Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
928-359 A PERCAZXCDS0  2176 VALLEY TEL COOP INC 668      
928-439 A TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
928-439 0 TCSMAZCH9MD  939H COMMIO, LLC 668      
928-439 2 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
928-439 4 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
928-439 7 TCSMAZCHFMD  516J TON80 COMMUNICATIONS, LLC 668      
928-439 9 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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