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: 876D ONVOY, LLC - 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
410-705 7 Waterloo (Washington DC LATA) MD   236   2020-10-17   
410-709 4 Sparrows Point MD   238   2016-03-08   
410-709 6 Sparrows Point MD   238   2016-03-24   
410-709 7 Sparrows Point MD   238   2016-03-24   
410-729 6 Severn MD   238   2016-03-14   
410-734 3 Churchville MD   238   2016-03-25   
410-734 5 Churchville MD   238   2016-03-07   
410-755 7 Warwick MD   242   2017-04-14   
410-756 8 Taneytown MD   238   2016-04-08   
410-762 4 Glen Burnie MD   238   2016-01-15   
410-769 0 Towson MD   238   2016-03-28   
410-769 3 Towson MD   238   2016-03-28   
410-770 2 Easton MD   242   2017-04-13   
410-775 9 Union Bridge MD   238   2016-03-28   
410-781 1 Ellicott City MD   238   2016-03-10   
410-784 4 Deal Island MD   242   2017-04-13   
410-807 3 Catonsville MD   238   2012-10-08   
410-817 7 Fork MD   238   2016-03-27   
410-826 A Baltimore MD BLTMMDCH42Z  238      
410-826 0 Baltimore MD   238   2016-01-18   
410-826 1 Baltimore MD   238   2016-01-18   
410-826 2 Baltimore MD   238   2016-01-18   
410-826 3 Baltimore MD   238   2016-01-18   
410-826 4 Baltimore MD   238   2016-01-18   
410-826 5 Baltimore MD   238   2016-01-18   
410-826 6 Baltimore MD   238   2016-01-18   
410-826 7 Baltimore MD   238   2016-01-18   
410-826 8 Baltimore MD   238   2016-01-18   
410-826 9 Baltimore MD   238   2016-01-18   
410-834 0 Waterloo (Washington DC LATA) MD   236   2012-10-07   
410-834 8 Waterloo (Washington DC LATA) MD   236   2014-10-24   
410-834 9 Waterloo (Washington DC LATA) MD   236   2014-10-24   
410-835 0 Willards MD   242   2019-03-10   
410-835 4 Willards MD   242   2020-04-30   
410-835 7 Willards MD   242   2017-04-14   
410-835 9 Willards MD   242   2019-03-10   
410-847 2 Towson MD   238   2016-02-29   
410-849 6 Sherwood Forest MD   238   2012-06-15   
410-862 A Waterloo (Washington DC LATA) MD VINNVACBDS0  236      
410-862 2 Waterloo (Washington DC LATA) MD   236   2015-07-12   
410-862 3 Waterloo (Washington DC LATA) MD   236   2016-04-01   
410-862 4 Waterloo (Washington DC LATA) MD   236   2016-04-01   
410-862 8 Waterloo (Washington DC LATA) MD   236   2020-03-30   
410-863 2 Glen Burnie MD   238   2015-06-11   
410-863 3 Glen Burnie MD   238   2015-06-11   
410-873 1 Nanticoke MD   242   2019-03-04   
410-873 7 Nanticoke MD   242   2017-04-14   
410-873 9 Nanticoke MD   242   2019-03-04   
410-881 6 Sherwood Forest MD   238   2016-03-05   
410-881 8 Sherwood Forest MD   238   2020-10-17   

<< 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 >>

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.