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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-341 A Buckeystown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
240-341 0 Buckeystown MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-09-04   
240-341 1 Buckeystown MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-04-12   
240-341 2 Buckeystown MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2013-11-08   
240-341 3 Buckeystown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2015-01-26   
240-341 4 Buckeystown MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2014-11-25   
240-341 5 Buckeystown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
240-341 6 Buckeystown MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2012-07-13   
240-341 7 Buckeystown MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2015-07-21   
240-341 8 Buckeystown MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
240-341 9 Buckeystown MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2009-04-18   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.