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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-804 A Tompkinsville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-804 0 Tompkinsville MD   4773 XO MARYLAND, LLC 236      
240-804 1 Tompkinsville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-804 2 Tompkinsville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-804 3 Tompkinsville MD   4773 XO MARYLAND, LLC 236   2005-08-15   
240-804 4 Tompkinsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2013-04-27   
240-804 5 Tompkinsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-804 6 Tompkinsville MD   4773 XO MARYLAND, LLC 236   2010-11-19   
240-804 7 Tompkinsville MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-25   
240-804 8 Tompkinsville MD   4773 XO MARYLAND, LLC 236      
240-804 9 Tompkinsville MD   4773 XO MARYLAND, LLC 236   2005-08-15   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.