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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ALXNVAAXDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
571-270 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-272 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-431 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-431 0 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-431 3 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-431 4 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
571-431 5 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-299 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-518 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-519 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-535 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-548 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-549 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-683 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-684 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-706 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-739 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-746 3 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236   2008-05-02   
703-746 4 Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236   2008-05-02   
703-836 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-837 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      
703-838 A Washington Zone 8 VA 9213 VERIZON VIRGINIA, INC. 236      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.