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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-692 6 Grantsville MD CMLDMDCMEMD  240   2023-06-16   
240-693 2 Walkersville MD CMLDMDCMEMD  240   2020-01-06   
240-693 3 Walkersville MD CMLDMDCMEMD  240   2020-01-06   
240-693 6 Walkersville MD CMLDMDCMEMD  240   2022-10-16   
240-695 1 Washington Zone 5 MD VINNVACBDS0  236   2017-05-19   
240-697 0 Mechanicsville MD VINNVACBDS0  236   2023-06-17   
240-697 2 Mechanicsville MD VINNVACBDS0  236   2020-04-30   
240-697 3 Mechanicsville MD VINNVACBDS0  236   2020-04-30   
240-697 7 Mechanicsville MD VINNVACBDS0  236   2021-03-04   
240-697 8 Mechanicsville MD VINNVACBDS0  236   2021-03-04   
240-698 2 Myersville MD CMLDMDCMEMD  240   2020-01-06   
240-698 3 Myersville MD CMLDMDCMEMD  240   2020-01-06   
240-698 4 Myersville MD CMLDMDCMEMD  240   2021-07-11   
240-702 1 Gaithersburg MD VINNVACBDS0  236   2014-12-01   
240-702 2 Gaithersburg MD VINNVACBDS0  236   2014-12-01   
240-712 5 Laurel (Baltimore LATA) MD BLTMMDCH42Z  238   2012-10-07   
240-713 5 Laurel MD VINNVACBDS0  236   2014-10-28   
240-713 6 Laurel MD VINNVACBDS0  236   2014-10-28   
240-716 5 Washington Zone 5 MD VINNVACBDS0  236   2014-10-24   
240-716 6 Washington Zone 5 MD VINNVACBDS0  236   2014-10-24   
240-717 3 Leonardtown MD VINNVACBDS0  236   2021-09-24   
240-717 4 Leonardtown MD VINNVACBDS0  236   2021-12-23   
240-717 8 Leonardtown MD VINNVACBDS0  236   2021-07-12   
240-719 5 Washington Zone 5 MD VINNVACBDS0  236   2018-01-18   
240-719 6 Washington Zone 5 MD VINNVACBDS0  236   2018-01-18   
240-724 8 Washington Zone 6 MD VINNVACBDS0  236   2012-10-17   
240-728 2 Washington Zone 10 MD VINNVACBDS0  236   2020-10-17   
240-728 7 Washington Zone 10 MD VINNVACBDS0  236   2020-10-17   
240-730 1 Hagerstown MD CMLDMDCMEMD  240   2021-01-11   
240-730 2 Hagerstown MD CMLDMDCMEMD  240   2021-01-11   
240-730 3 Hagerstown MD CMLDMDCMEMD  240   2021-01-11   
240-730 4 Hagerstown MD CMLDMDCMEMD  240   2023-06-16   
240-732 1 Mount Airy MD CMLDMDCMEMD  240   2016-09-12   
240-732 2 Mount Airy MD CMLDMDCMEMD  240   2016-09-12   
240-734 2 Smithsburg MD CMLDMDCMEMD  240   2016-09-13   
240-734 3 Smithsburg MD CMLDMDCMEMD  240   2016-09-13   
240-735 4 Brunswick MD CMLDMDCMEMD  240   2021-07-11   
240-735 5 Brunswick MD CMLDMDCMEMD  240   2021-07-11   
240-736 1 Laurel MD VINNVACBDS0  236   2021-04-02   
240-736 2 Laurel MD VINNVACBDS0  236   2021-04-02   
240-736 3 Laurel MD VINNVACBDS0  236   2021-04-02   
240-738 6 Hancock MD CMLDMDCMEMD  240   2021-05-21   
240-738 8 Hancock MD CMLDMDCMEMD  240   2021-05-21   
240-739 6 Frederick MD CMLDMDCMEMD  240   2021-08-16   
240-739 7 Frederick MD CMLDMDCMEMD  240   2021-08-16   
240-742 2 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  238   2021-03-04   
240-742 3 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  238   2021-07-12   
240-742 4 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  238   2022-10-16   
240-743 5 Washington Zone 2 MD VINNVACBDS0  236   2007-09-13   
240-745 7 Damascus MD VINNVACBDS0  236   2015-06-27   

<< 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 52 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.