Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-453 A Washington Zone 17 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-453 0 Washington Zone 17 VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-04-04   
571-453 1 Washington Zone 17 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2020-05-01   
571-453 2 Washington Zone 17 VA   197D VONAGE AMERICA LLC 236   2020-05-19   
571-453 3 Washington Zone 17 VA   197D VONAGE AMERICA LLC 236   2020-05-19   
571-453 4 Washington Zone 17 VA   138E ONVOY, LLC - VA 236   2020-07-04   
571-453 5 Washington Zone 17 VA   138E ONVOY, LLC - VA 236   2020-07-04   
571-453 6 Washington Zone 17 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-02-08   
571-453 7 Washington Zone 17 VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2021-02-08   
571-453 8 Washington Zone 17 VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2020-05-01   
571-453 9 Washington Zone 17 VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2021-02-08   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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