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: 773

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-773 A Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236   2025-04-02   
703-773 0 Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
703-773 1 Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
703-773 3 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-07-29   
703-773 4 Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
703-773 5 Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
703-773 6 Herndon VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2007-03-18   
703-773 9 Herndon VA WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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