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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
410-824 5 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2022-11-24   
410-826 A Baltimore MD BLTMMDCH42Z  238      
410-826 0 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 1 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 2 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 3 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 4 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 5 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 6 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 7 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 8 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-826 9 Baltimore MD BLTMMDCH42Z  238   2016-01-18   
410-834 0 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2012-10-07   
410-834 8 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2014-10-24   
410-834 9 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2014-10-24   
410-835 0 Willards MD SLBRMDSBXVX  242   2019-03-10   
410-835 4 Willards MD SLBRMDSBXVX  242   2020-04-30   
410-835 7 Willards MD SLBRMDSBXVX  242   2017-04-14   
410-835 9 Willards MD SLBRMDSBXVX  242   2019-03-10   
410-847 2 Towson MD BLTMMDCH42Z  238   2016-02-29   
410-849 6 Sherwood Forest MD BLTMMDCH42Z  238   2012-06-15   
410-862 A Waterloo (Washington DC LATA) MD VINNVACBDS0  236      
410-862 2 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2015-07-12   
410-862 3 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2016-04-01   
410-862 4 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2016-04-01   
410-862 8 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2020-03-30   
410-863 2 Glen Burnie MD BLTMMDCH42Z  238   2015-06-11   
410-863 3 Glen Burnie MD BLTMMDCH42Z  238   2015-06-11   
410-873 1 Nanticoke MD SLBRMDSBXVX  242   2019-03-04   
410-873 7 Nanticoke MD SLBRMDSBXVX  242   2017-04-14   
410-873 9 Nanticoke MD SLBRMDSBXVX  242   2019-03-04   
410-881 6 Sherwood Forest MD BLTMMDCH42Z  238   2016-03-05   
410-881 8 Sherwood Forest MD BLTMMDCH42Z  238   2020-10-17   
410-883 0 Sharptown MD SLBRMDSBXVX  242   2019-03-10   
410-883 5 Sharptown MD SLBRMDSBXVX  242   2020-04-30   
410-883 7 Sharptown MD SLBRMDSBXVX  242   2020-04-30   
410-883 8 Sharptown MD SLBRMDSBXVX  242   2017-04-14   
410-883 9 Sharptown MD SLBRMDSBXVX  242   2019-03-10   
410-885 1 Chesapeake City MD SLBRMDSBXVX  242   2017-04-13   
410-886 6 Tilghman MD SLBRMDSBXVX  242   2019-03-10   
410-886 7 Tilghman MD SLBRMDSBXVX  242   2017-04-14   
410-888 3 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2020-03-30   
410-888 4 Waterloo (Washington DC LATA) MD VINNVACBDS0  236   2012-04-05   
410-891 6 Cockeysville MD BLTMMDCH42Z  238   2016-03-31   
410-891 7 Cockeysville MD BLTMMDCH42Z  238   2024-06-07   
410-896 1 Delmar MD SLBRMDSBXVX  242   2019-03-04   
410-896 6 Delmar MD SLBRMDSBXVX  242   2019-03-04   
410-904 6 Waterloo MD BLTMMDCH42Z  238   2021-05-21   
410-907 3 Woodlawn MD BLTMMDCH42Z  238   2016-04-08   
410-907 7 Woodlawn MD BLTMMDCH42Z  238   2016-04-08   
410-927 1 Odenton MD BLTMMDCH42Z  238   2016-03-07   
410-927 3 Odenton MD BLTMMDCH42Z  238   2016-03-07   
410-934 3 Annapolis MD BLTMMDCH42Z  238   2012-03-30   
410-936 3 Salisbury MD SLBRMDSBXVX  242   2020-12-24   
410-936 4 Salisbury MD SLBRMDSBXVX  242   2020-12-24   
410-936 5 Salisbury MD SLBRMDSBXVX  242   2020-12-24   
410-936 6 Salisbury MD SLBRMDSBXVX  242   2020-12-24   
410-936 7 Salisbury MD SLBRMDSBXVX  242   2020-12-24   
410-941 3 Jarrettsville 941 MD BLTMMDCH42Z  238   2016-03-31   
410-941 6 Jarrettsville 941 MD BLTMMDCH42Z  238   2016-05-07   
410-970 3 Sykesville MD BLTMMDCH42Z  238   2021-05-21   
410-973 0 Berlin MD SLBRMDSBXVX  242   2024-05-20   
410-973 3 Berlin MD SLBRMDSBXVX  242   2024-06-23   
410-973 6 Berlin MD SLBRMDSBXVX  242   2019-03-04   
410-973 7 Berlin MD SLBRMDSBXVX  242   2019-03-04   
410-981 3 Glen Burnie MD BLTMMDCH42Z  238   2016-03-31   
410-983 3 Fork MD BLTMMDCH42Z  238   2014-09-27   
410-983 6 Fork MD BLTMMDCH42Z  238   2014-09-27   
410-989 4 Fork MD BLTMMDCH42Z  238   2012-10-07   
410-995 9 Ellicott City MD BLTMMDCH42Z  238   2016-03-27   
443-201 7 Westminster MD BLTMMDCH42Z  238   2012-10-08   
443-205 6 Cambridge MD SLBRMDSBXVX  242   2024-03-02   
443-205 7 Cambridge MD SLBRMDSBXVX  242   2024-04-04   
443-212 3 Sparks-Glencoe MD BLTMMDCH42Z  238   2021-03-04   
443-212 9 Sparks-Glencoe MD BLTMMDCH42Z  238   2021-05-21   
443-214 0 Annapolis MD BLTMMDCH42Z  238   2016-02-22   
443-214 3 Annapolis MD BLTMMDCH42Z  238   2013-08-10   
443-218 9 Worthington MD BLTMMDCH42Z  238   2020-04-30   
443-222 A Worthington MD BLTMMDCH42Z  238      
443-222 0 Worthington MD BLTMMDCH42Z  238   2020-04-30   
443-222 1 Worthington MD BLTMMDCH42Z  238   2020-04-30   
443-222 8 Worthington MD BLTMMDCH42Z  238   2019-02-19   
443-222 9 Worthington MD BLTMMDCH42Z  238   2019-02-19   
443-225 1 Cambridge MD SLBRMDSBXVX  242   2024-05-03   
443-227 4 Port Deposit MD BLTMMDCH42Z  238   2016-03-17   
443-227 5 Port Deposit MD BLTMMDCH42Z  238   2016-03-17   
443-229 5 Severna Park MD   238   2025-02-01   
443-230 2 Odenton MD BLTMMDCH42Z  238   2021-03-04   
443-230 5 Odenton MD BLTMMDCH42Z  238   2016-03-29   
443-232 0 Willards MD SLBRMDSBXVX  242   2020-04-30   
443-232 1 Willards MD SLBRMDSBXVX  242   2020-07-04   
443-232 2 Willards MD SLBRMDSBXVX  242   2020-07-04   
443-232 9 Willards MD SLBRMDSBXVX  242   2020-04-30   
443-233 0 Vienna MD SLBRMDSBXVX  242   2020-08-09   
443-233 1 Vienna MD SLBRMDSBXVX  242   2020-08-09   
443-233 5 Vienna MD SLBRMDSBXVX  242   2020-10-17   
443-234 0 Snow Hill MD SLBRMDSBXVX  242   2019-03-04   
443-234 1 Snow Hill MD SLBRMDSBXVX  242   2021-03-05   
443-234 8 Snow Hill MD SLBRMDSBXVX  242   2017-04-14   
443-234 9 Snow Hill MD SLBRMDSBXVX  242   2019-03-04   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.