Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-391 A Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 0 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 1 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 2 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 3 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 4 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 5 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 6 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 7 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 8 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-391 9 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      

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

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