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.

Switch: BLTOMDKHBMD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-319 A Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-319 0 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-14   
240-319 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-10-03   
240-319 2 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-10-02   
240-319 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-02-16   
240-319 5 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-12   
240-319 6 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-12   
240-319 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-10-02   
240-517 A Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-517 0 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-12-12   
240-517 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-12-12   
240-517 2 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-12-12   
240-517 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-09-01   
240-517 4 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-09-01   
240-517 5 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-09-01   
240-517 6 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-06-16   
240-517 7 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-06-16   
240-517 8 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2015-06-16   
240-517 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-03-04   
240-565 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-06   
240-565 2 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
240-565 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-09-20   
240-565 4 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-01   
240-565 5 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
240-653 0 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-07-18   
240-712 A Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-712 0 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-01   
240-712 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-03   
240-712 2 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-03   
240-712 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-03   
240-712 8 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-02   
240-712 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-02   
240-755 7 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-31   
240-755 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-31   
240-841 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-02   
240-841 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-02   
240-841 4 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-02   
240-841 5 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-02   
240-841 6 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2014-09-01   
240-841 8 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-31   
240-841 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-31   
240-856 A Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-856 0 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-06-10   
240-856 1 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-23   
240-856 2 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-23   
240-856 3 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-06-24   
240-856 4 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-03-05   
240-856 5 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-05-22   
240-856 8 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-12-19   
240-856 9 Laurel (Baltimore LATA) MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-10-28   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.