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
240-309 A Leonardtown MD WASHDCSWXVY  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-12-01   
240-309 0 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-07-17   
240-309 1 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-08-15   
240-309 2 Leonardtown MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-12-04   
240-309 3 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-05-01   
240-309 4 Leonardtown MD   228C IDT AMERICA CORP - MD 236   2013-02-10   
240-309 5 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-12-28   
240-309 6 Leonardtown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-12-04   
240-309 7 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-09-15   
240-309 8 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-05-05   
240-309 9 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-06-30   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.