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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-478 9 Washington Zone 3 MD WASKDCFNAMD  236   2006-02-03   
240-479 A Washington Zone 2 MD WASKDCFNAMD  236      
240-479 0 Washington Zone 2 MD WASKDCFNAMD  236   2008-05-29   
240-479 1 Washington Zone 2 MD WASKDCFNAMD  236   2008-05-29   
240-479 8 Washington Zone 2 MD WASKDCFNAMD  236   2010-06-03   
240-495 A Washington Zone 4 MD WASKDCFNAMD  236      
240-495 0 Washington Zone 4 MD WASKDCFNAMD  236   2013-12-27   
240-495 1 Washington Zone 4 MD WASKDCFNAMD  236   2014-05-01   
240-495 2 Washington Zone 4 MD WASKDCFNAMD  236   2015-01-27   
240-495 3 Washington Zone 4 MD WASKDCFNAMD  236   2014-08-01   
240-495 5 Washington Zone 4 MD WASKDCFNAMD  236   2014-09-01   
240-496 A Leonardtown MD WASKDCFNAMD  236      
240-496 0 Leonardtown MD WASKDCFNAMD  236   2016-05-30   
240-496 1 Leonardtown MD WASKDCFNAMD  236   2016-06-20   
240-496 2 Leonardtown MD WASKDCFNAMD  236   2016-08-06   
240-496 3 Leonardtown MD WASKDCFNAMD  236   2017-05-14   
240-496 4 Leonardtown MD WASKDCFNAMD  236   2017-02-10   
240-496 6 Leonardtown MD WASKDCFNAMD  236   2017-02-28   
240-496 7 Leonardtown MD WASKDCFNAMD  236   2017-03-15   
240-496 8 Leonardtown MD WASKDCFNAMD  236   2017-06-07   
240-496 9 Leonardtown MD WASKDCFNAMD  236   2016-05-14   
240-499 4 Washington Zone 10 MD WASKDCFNAMD  236   2005-06-02   
240-499 5 Washington Zone 10 MD WASKDCFNAMD  236   2005-06-02   
240-499 6 Washington Zone 10 MD WASKDCFNAMD  236   2005-06-02   
240-500 0 Hagerstown MD FRDRMDFRXSX  240   2011-08-23   
240-507 A Washington Zone 2 MD WASKDCFNAMD  236      
240-507 0 Washington Zone 2 MD WASKDCFNAMD  236   2008-11-14   
240-507 3 Washington Zone 2 MD WASKDCFNAMD  236   2011-02-05   
240-507 4 Washington Zone 2 MD WASKDCFNAMD  236   2011-02-05   
240-507 6 Washington Zone 2 MD WASKDCFNAMD  236   2009-06-01   
240-507 7 Washington Zone 2 MD WASKDCFNAMD  236   2008-12-18   
240-507 8 Washington Zone 2 MD WASKDCFNAMD  236   2009-06-01   
240-507 9 Washington Zone 2 MD WASKDCFNAMD  236   2011-05-02   
240-513 5 Hagerstown MD FRDRMDFRXSX  240   2015-05-01   
240-517 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  238      
240-517 0 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2014-12-12   
240-517 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2014-12-12   
240-517 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2014-12-12   
240-517 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-09-01   
240-517 4 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-09-01   
240-517 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-09-01   
240-517 6 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-06-16   
240-517 7 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-06-16   
240-517 8 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2015-06-16   
240-517 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2016-03-04   
240-526 0 Leonardtown MD WASKDCFNAMD  236   2020-03-11   
240-526 1 Leonardtown MD WASKDCFNAMD  236   2020-03-11   
240-526 8 Leonardtown MD WASKDCFNAMD  236   2020-03-11   
240-530 0 Waldorf MD WASKDCFNAMD  236   2016-11-17   
240-532 A Washington Zone 5 MD WASKDCFNAMD  236      

<< 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 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.