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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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-432 A Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 0 Bisbee AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2008-02-28   
520-432 1 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 2 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 3 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 4 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 5 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 6 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 7 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 8 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      
520-432 9 Bisbee AZ BISBAZMARS1  9636 QWEST CORPORATION 668      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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