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.

Ballard, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
540-285 A RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244      
540-285 0 RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244      
540-285 1 RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-01-20   
540-593 A FLYDVAXADS1  0225 CITIZENS TEL. COOP. 244      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.