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: WRTNVAWRDS0

Remotes:

Switch Switch name Switch type
CALVVACARSM  CALVERTON  5ER 
MRSHVAMARS1  MARSHALL  5E 
RMTNVARERSM  REMINGTON  5ER 
THPLVATPRSM  THE PLAINS  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-341 A Warrenton VA 9213 VERIZON VIRGINIA, INC. 246      
540-347 A Warrenton VA 9213 VERIZON VIRGINIA, INC. 246      
540-349 A Warrenton VA 9213 VERIZON VIRGINIA, INC. 246      
540-351 A Warrenton VA 9213 VERIZON VIRGINIA, INC. 246      
540-428 A Warrenton VA 9213 VERIZON VIRGINIA, INC. 246      

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

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