Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 804 [Rate centres in NPA 804] [Dial plan for NPA 804]

NXX: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
804-719 A Rockville VA RCMDVAITXFX  318J COMCAST IP PHONE, LLC 248      
804-719 0 Rockville VA   138E ONVOY, LLC - VA 248   2021-03-06   
804-719 1 Rockville VA   079F BANDWIDTH.COM CLEC, LLC - VA 248   2008-12-07   
804-719 2 Rockville VA   138E ONVOY, LLC - VA 248   2016-09-12   
804-719 3 Rockville VA   138E ONVOY, LLC - VA 248   2016-04-04   
804-719 4 Rockville VA   138E ONVOY, LLC - VA 248   2016-04-04   
804-719 5 Rockville VA   829J PAETEC ITEL, LLC 248   2004-09-05   
804-719 6 Rockville VA   138E ONVOY, LLC - VA 248   2016-09-12   
804-719 7 Rockville VA   508J CENTURYLINK COMMUNICATIONS, LLC 248   2014-06-26   
804-719 8 Rockville VA   073H TELNYX LLC 248   2017-05-09   
804-719 9 Rockville VA   318J COMCAST IP PHONE, LLC 248      

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

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