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: MCLNVALVDS0

<< 1 2 3 4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-903 5 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-903 6 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-903 7 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-903 9 Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-905 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-917 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      
703-918 A Washington Zone 17 VA 9213 VERIZON VIRGINIA, INC. 236      

<< 1 2 3 4

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.