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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-561 6 Leonardtown MD   236   2009-04-02   
240-561 8 Leonardtown MD   236   2009-10-02   
240-563 2 Washington Zone 5 MD   236   2017-08-24   
240-563 3 Washington Zone 5 MD   236   2017-08-24   
240-565 1 Laurel (Baltimore LATA) MD   238   2007-12-06   
240-565 2 Laurel (Baltimore LATA) MD   238   2008-03-03   
240-565 3 Laurel (Baltimore LATA) MD   238   2006-09-20   
240-565 4 Laurel (Baltimore LATA) MD   238   2007-06-01   
240-565 5 Laurel (Baltimore LATA) MD   238   2006-04-01   
240-566 6 Frederick MD   240   2008-06-05   
240-571 A Laurel (Baltimore LATA) MD   238   2021-03-18   
240-571 0 Laurel (Baltimore LATA) MD   238   2021-03-18   
240-571 1 Laurel (Baltimore LATA) MD   238   2021-03-18   
240-572 A Leonardtown MD WASKDCFNAMD  236      
240-572 0 Leonardtown MD   236   2017-12-30   
240-572 1 Leonardtown MD   236   2018-01-21   
240-572 2 Leonardtown MD   236   2018-08-03   
240-572 3 Leonardtown MD   236   2021-01-19   
240-572 6 Leonardtown MD   236   2021-01-19   
240-572 7 Leonardtown MD   236   2021-01-19   
240-572 8 Leonardtown MD   236   2018-01-06   
240-572 9 Leonardtown MD   236   2018-01-06   
240-575 4 Frederick MD   240   2008-04-04   
240-577 A Leonardtown MD WASKDCFNAMD  236      
240-577 0 Leonardtown MD   236   2006-10-06   
240-577 1 Leonardtown MD   236   2006-10-09   
240-577 2 Leonardtown MD   236   2006-12-02   
240-577 3 Leonardtown MD   236   2007-03-05   
240-577 4 Leonardtown MD   236   2007-05-03   
240-577 5 Leonardtown MD   236   2007-06-01   
240-577 8 Leonardtown MD   236   2007-08-02   
240-577 9 Leonardtown MD   236   2007-09-21   
240-578 A Frederick MD FRDRMDFRXSX  240      
240-578 0 Frederick MD   240   2011-09-05   
240-578 1 Frederick MD   240   2011-10-02   
240-578 2 Frederick MD   240   2012-06-03   
240-578 3 Frederick MD   240   2013-05-01   
240-578 5 Frederick MD   240   2014-04-01   
240-581 3 Laurel MD   236   2008-07-03   
240-581 4 Laurel MD   236   2008-08-01   
240-584 0 Laurel MD   236   2018-03-14   
240-585 A Waldorf MD WASKDCFNAMD  236      
240-585 0 Waldorf MD   236   2011-08-27   
240-585 1 Waldorf MD   236   2012-06-03   
240-585 2 Waldorf MD   236   2012-06-03   
240-585 3 Waldorf MD   236   2012-06-03   
240-587 A Leonardtown MD WASKDCFNAMD  236      
240-587 0 Leonardtown MD   236   2009-09-05   
240-587 1 Leonardtown MD   236   2010-01-16   
240-587 2 Leonardtown MD   236   2011-02-03   

<< 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 >>

Last updated: Mon, 24 May 2021 01:28:43 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.