Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-454 A Sierra Vista AZ SRVSAZMADS0  9636 QWEST CORPORATION 668      
520-454 0 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 1 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 2 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 3 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 4 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 5 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 6 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 7 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 8 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   
520-454 9 Sierra Vista AZ   9636 QWEST CORPORATION 668   2009-03-15   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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