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: ARTNVAFCRP1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-237 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-241 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 0 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 1 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 2 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 3 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 4 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 5 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-531 6 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-532 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-533 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-534 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-536 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-538 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.