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
301-789 3 Washington Zone 4 MD   236   2008-02-15   
301-789 4 Washington Zone 4 MD   236   2007-11-15   
301-789 5 Washington Zone 4 MD   236   2007-04-20   
301-789 6 Washington Zone 4 MD   236   2007-04-20   
301-789 7 Washington Zone 4 MD   236   2007-04-20   
301-789 8 Washington Zone 4 MD   236   2007-11-15   
301-789 9 Washington Zone 4 MD   236   2007-02-15   
301-801 A Washington Zone 3 MD WASKDCFNAMD  236      
301-802 A Washington Zone 3 MD WASKDCFNAMD  236      
301-807 A Washington Zone 3 MD WASKDCFNAMD  236      
301-821 0 Laurel MD   236   2006-01-02   
301-821 1 Laurel MD   236   2006-01-02   
301-821 2 Laurel MD   236   2006-08-07   
301-821 3 Laurel MD   236   2005-09-20   
301-821 5 Laurel MD   236   2005-09-20   
301-821 6 Laurel MD   236   2006-01-02   
301-821 7 Laurel MD   236   2006-01-02   
301-830 0 Washington Zone 3 MD   236   2005-08-01   
301-830 1 Washington Zone 3 MD   236   2005-08-01   
301-830 2 Washington Zone 3 MD   236   2005-08-01   
301-830 3 Washington Zone 3 MD   236   2005-09-01   
301-832 0 Washington Zone 4 MD   236   2008-06-05   
301-832 1 Washington Zone 4 MD   236   2008-07-03   
301-832 2 Washington Zone 4 MD   236   2008-02-15   
301-832 4 Washington Zone 4 MD   236   2008-09-01   
301-832 5 Washington Zone 4 MD   236   2008-10-03   
301-832 6 Washington Zone 4 MD   236   2008-11-03   
301-832 7 Washington Zone 4 MD   236   2009-09-09   
301-832 8 Washington Zone 4 MD   236   2009-06-01   
301-835 9 Frederick MD   240   2019-10-01   
301-836 2 Washington Zone 5 MD   236   2013-01-15   
301-838 1 Washington Zone 10 MD   236   2020-12-18   
301-846 8 Frederick MD   240   2015-10-01   
301-848 A Waldorf MD WASKDCFNAMD  236      
301-852 0 Washington Zone 4 MD   236   2010-02-06   
301-852 1 Washington Zone 4 MD   236   2010-06-03   
301-852 3 Washington Zone 4 MD   236   2011-04-14   
301-852 8 Washington Zone 4 MD   236   2011-02-19   
301-852 9 Washington Zone 4 MD   236   2011-02-19   
301-861 6 Waldorf MD   236   2007-07-02   
301-861 7 Waldorf MD   236   2007-08-02   
301-861 8 Waldorf MD   236   2007-09-01   
301-861 9 Waldorf MD   236   2007-05-03   
301-873 A Washington Zone 3 MD WASKDCFNAMD  236      
301-875 A Laurel MD WASKDCFNAMD  236      
301-875 1 Laurel MD   236   2006-08-07   
301-875 2 Laurel MD   236   2006-01-02   
301-875 3 Laurel MD   236   2008-05-02   
301-875 4 Laurel MD   236   2008-05-02   
301-875 5 Laurel MD   236   2006-04-24   

<< 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.