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.

OCN: 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-691 3 Washington Zone 5 MD   236   2007-05-16   
240-691 6 Washington Zone 5 MD   236   2007-12-14   
240-691 7 Washington Zone 5 MD   236   2007-12-14   
240-691 8 Washington Zone 5 MD   236   2008-09-15   
240-691 9 Washington Zone 5 MD   236   2007-02-15   
240-695 0 Washington Zone 5 MD   236   2015-09-05   
240-695 2 Washington Zone 5 MD   236   2009-02-02   
240-695 3 Washington Zone 5 MD   236   2009-09-04   
240-695 4 Washington Zone 5 MD   236   2010-02-16   
240-695 6 Washington Zone 5 MD   236   2011-02-19   
240-695 7 Washington Zone 5 MD   236   2011-04-01   
240-695 8 Washington Zone 5 MD   236   2011-06-27   
240-698 0 Myersville MD   240   2020-02-25   
240-698 1 Myersville MD   240   2021-01-11   
240-698 8 Myersville MD   240   2021-12-30   
240-702 A Gaithersburg MD WASKDCFNAMD  236      
240-702 3 Gaithersburg MD   236   2015-10-15   
240-707 0 Hagerstown MD   240   2012-07-15   
240-707 1 Hagerstown MD   240   2013-10-01   
240-712 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  238      
240-712 0 Laurel (Baltimore LATA) MD   238   2012-01-01   
240-712 1 Laurel (Baltimore LATA) MD   238   2012-01-03   
240-712 2 Laurel (Baltimore LATA) MD   238   2012-01-03   
240-712 3 Laurel (Baltimore LATA) MD   238   2012-01-03   
240-712 8 Laurel (Baltimore LATA) MD   238   2012-07-02   
240-712 9 Laurel (Baltimore LATA) MD   238   2012-07-02   
240-717 5 Leonardtown MD   236   2022-02-21   
240-717 6 Leonardtown MD   236   2022-02-21   
240-717 9 Leonardtown MD   236   2022-12-29   
240-719 A Washington Zone 5 MD WASKDCFNAMD  236      
240-719 9 Washington Zone 5 MD   236   2016-06-10   
240-721 0 Washington Zone 5 MD   236   2020-05-11   
240-721 8 Washington Zone 5 MD   236   2020-05-11   
240-723 A Washington Zone 3 MD WASKDCFNAMD  236      
240-723 0 Washington Zone 3 MD   236   2005-05-02   
240-723 2 Washington Zone 3 MD   236   2006-11-02   
240-723 5 Washington Zone 3 MD   236   2005-02-03   
240-723 6 Washington Zone 3 MD   236   2005-02-03   
240-723 7 Washington Zone 3 MD   236   2005-02-03   
240-723 9 Washington Zone 3 MD   236   2005-05-02   
240-726 4 Washington Zone 4 MD   236   2021-07-30   
240-726 5 Washington Zone 4 MD   236   2021-07-30   
240-726 6 Washington Zone 4 MD   236   2022-04-25   
240-738 A Hancock MD FRDRMDFRXSX  240      
240-738 0 Hancock MD   240   2020-10-18   
240-738 9 Hancock MD   240   2023-11-03   
240-739 0 Frederick MD   240   2020-11-24   
240-739 2 Frederick MD   240   2020-11-24   
240-741 2 Frederick MD   240   2021-07-02   
240-741 3 Frederick MD   240   2021-07-02   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.