Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: MCLNVA23DS4

Remotes:

Switch Switch name Switch type
WASHDCRKRSA  WASHINGTON  RS 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-775 A Lorton Metro VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-783 A Engleside VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-784 A Triangle VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-832 A Braddock VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-843 A Occoquan VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-881 A Manassas VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-884 A Triangle VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-935 A Herndon VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-940 A Washington Zone 17 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-972 A Dulles Metro VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-991 A Washington Zone 19 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-993 A Washington Zone 19 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-994 A Herndon VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-997 A Washington Zone 8 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
771-210 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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