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: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-606 A Elkton VA HRBGVAEJ0MD  073H TELNYX LLC 927      
540-606 0 Elkton VA HRBGVAEJ0MD  073H TELNYX LLC 927   2022-04-10   
540-606 1 Elkton VA HRBGVAXAXRX  624H ONVOY SPECTRUM, LLC 927   2023-04-25   
540-606 4 Elkton VA HRBGVAXAXGX  138E ONVOY, LLC - VA 927   2022-09-29   
540-606 5 Elkton VA HRBGVAXAXGX  138E ONVOY, LLC - VA 927   2022-09-29   
540-606 6 Elkton VA   145J TERRA NOVA TELECOM INC. 927   2022-09-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.