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: HRNDVAHEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
571-203 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-318 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-326 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-364 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-375 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-397 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-435 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-437 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-456 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-464 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-467 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-471 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-478 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-481 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-668 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-689 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-707 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-708 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-709 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-733 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-735 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-736 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-742 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-787 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-796 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-810 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-826 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      
703-833 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-834 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-904 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-925 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-947 A Washington Zone 19 VA 9213 VERIZON VIRGINIA, INC. 236      
703-984 A Herndon VA 9213 VERIZON VIRGINIA, INC. 236      

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

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