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
240-808 A Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 0 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-05-30   
240-808 1 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-09-01   
240-808 2 Leonardtown MD   912D BROADVOX-CLEC, LLC - MD 236   2015-08-17   
240-808 3 Leonardtown MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-08-28   
240-808 4 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-06-04   
240-808 5 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-02-05   
240-808 6 Leonardtown MD   876D ONVOY, LLC - MD 236   2016-03-07   
240-808 7 Leonardtown MD   876D ONVOY, LLC - MD 236   2016-03-07   
240-808 8 Leonardtown MD   912D BROADVOX-CLEC, LLC - MD 236   2015-06-27   
240-808 9 Leonardtown MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-08-01   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.