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: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-738 A Madison VA CLPPVA94DS0  5832 CORETEL VIRGINIA, LLC - VA 246      
540-738 0 Madison VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246      
540-738 1 Madison VA LSBGVALBZMD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246      
540-738 2 Madison VA LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246      
540-738 3 Madison VA MDSNVAMA0MD  7849 LUMOS NETWORKS INC. - VA 246      
540-738 4 Madison VA LSBGVALBQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 246      
540-738 5 Madison VA ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246      
540-738 6 Madison VA ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246      
540-738 7 Madison VA CLPPVACURMD  138E ONVOY, LLC - VA 246      
540-738 8 Madison VA ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246      
540-738 9 Madison VA ASBNVACYGT0  5832 CORETEL VIRGINIA, LLC - VA 246      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.