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.

NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 948

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-948 A Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 0 Madison VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-11-06   
540-948 1 Madison VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-11-06   
540-948 2 Madison VA   5832 CORETEL VIRGINIA, LLC - VA 246   2019-03-30   
540-948 3 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 4 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 5 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 6 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 7 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      
540-948 9 Madison VA MDSNVAMARSM  9213 VERIZON VIRGINIA, INC. 246      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.