Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 703 [Rate centres in NPA 703] [Dial plan for NPA 703]

NXX: 804

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-804 A Herndon VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-07-22   
703-804 0 Herndon VA   138E ONVOY, LLC - VA 236   2024-07-24   
703-804 1 Herndon VA   515J IP HORIZON LLC 236   2024-07-22   
703-804 2 Herndon VA   515J IP HORIZON LLC 236   2024-07-22   
703-804 3 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-08   
703-804 4 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-08   
703-804 5 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-08   
703-804 6 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-08   
703-804 7 Herndon VA   138E ONVOY, LLC - VA 236   2024-10-04   
703-804 8 Herndon VA   138E ONVOY, LLC - VA 236   2024-07-24   
703-804 9 Herndon VA   138E ONVOY, LLC - VA 236   2024-10-04   

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

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