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.

Leonardtown, MD

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-577 7 WASHDCSWXCY  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2006-11-22   
240-577 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-08-02   
240-577 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-21   
240-587 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-587 0 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-09-05   
240-587 1 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-01-16   
240-587 2 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-03   
240-587 3 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-26   
240-587 4 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-02-01   
240-587 5 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-03   
240-587 6 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-587 7 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-25   
240-587 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-12-23   
240-587 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-04-01   
240-717 A WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-717 0 WASHDC127MD  073H TELNYX LLC 236   2021-06-26   
240-717 1 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-717 2 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-717 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-717 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-12-23   
240-717 5 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-02-21   
240-717 6 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-02-21   
240-717 7 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-06-25   
240-717 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-07-12   
240-717 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-12-29   
240-808 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-808 0 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-05-30   
240-808 1 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-09-01   
240-808 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-08-17   
240-808 3 BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-08-28   
240-808 4 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-06-04   
240-808 5 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-02-05   
240-808 6 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-07   
240-808 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-07   
240-808 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
240-808 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-08-01   
240-925 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 0 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 1 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 2 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 3 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 4 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 5 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 6 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 7 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2003-06-03   
240-925 8 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-925 9 WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-948 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-948 0 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-27   
240-948 1 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-27   

<< 1 2 3 4 5 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.