Local Calling Guide

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NPA: 771 [Rate centres in NPA 771] [Dial plan for NPA 771]

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
771-254 A Washington Zone 1 DC   700J WAVENATION, LLC 236   2025-09-11   
771-254 0 Washington Zone 1 DC   700J WAVENATION, LLC 236   2025-09-11   
771-254 1 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2025-11-07   
771-254 4 Washington Zone 1 DC   490J DISH WIRELESS, LLC 236   2025-09-12   
771-254 5 Washington Zone 1 DC   490J DISH WIRELESS, LLC 236   2025-10-27   
771-254 6 Washington Zone 1 DC   490J DISH WIRELESS, LLC 236   2025-11-24   
771-254 7 Washington Zone 1 DC   490J DISH WIRELESS, LLC 236   2025-12-29   
771-254 8 Washington Zone 1 DC   490J DISH WIRELESS, LLC 236   2026-02-01   
771-254 9 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2025-11-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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