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.
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Switch: SLBRMDSBXVX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-873 7 Nanticoke MD 876D ONVOY, LLC - MD 242   2017-04-14   
410-873 9 Nanticoke MD 876D ONVOY, LLC - MD 242   2019-03-04   
410-883 0 Sharptown MD 876D ONVOY, LLC - MD 242   2019-03-10   
410-883 5 Sharptown MD 876D ONVOY, LLC - MD 242   2020-04-30   
410-883 7 Sharptown MD 876D ONVOY, LLC - MD 242   2020-04-30   
410-883 8 Sharptown MD 876D ONVOY, LLC - MD 242   2017-04-14   
410-883 9 Sharptown MD 876D ONVOY, LLC - MD 242   2019-03-10   
410-885 1 Chesapeake City MD 876D ONVOY, LLC - MD 242   2017-04-13   
410-886 6 Tilghman MD 876D ONVOY, LLC - MD 242   2019-03-10   
410-886 7 Tilghman MD 876D ONVOY, LLC - MD 242   2017-04-14   
410-896 1 Delmar MD 876D ONVOY, LLC - MD 242   2019-03-04   
410-896 6 Delmar MD 876D ONVOY, LLC - MD 242   2019-03-04   
410-936 3 Salisbury MD 876D ONVOY, LLC - MD 242   2020-12-24   
410-936 4 Salisbury MD 876D ONVOY, LLC - MD 242   2020-12-24   
410-936 5 Salisbury MD 876D ONVOY, LLC - MD 242   2020-12-24   
410-936 6 Salisbury MD 876D ONVOY, LLC - MD 242   2020-12-24   
410-936 7 Salisbury MD 876D ONVOY, LLC - MD 242   2020-12-24   
410-973 0 Berlin MD 876D ONVOY, LLC - MD 242   2024-05-20   
410-973 3 Berlin MD 876D ONVOY, LLC - MD 242   2024-06-23   
410-973 6 Berlin MD 876D ONVOY, LLC - MD 242   2019-03-04   
410-973 7 Berlin MD 876D ONVOY, LLC - MD 242   2019-03-04   
443-205 6 Cambridge MD 876D ONVOY, LLC - MD 242   2024-03-02   
443-205 7 Cambridge MD 876D ONVOY, LLC - MD 242   2024-04-04   
443-225 1 Cambridge MD 876D ONVOY, LLC - MD 242   2024-05-03   
443-232 0 Willards MD 876D ONVOY, LLC - MD 242   2020-04-30   
443-232 1 Willards MD 876D ONVOY, LLC - MD 242   2020-07-04   
443-232 2 Willards MD 876D ONVOY, LLC - MD 242   2020-07-04   
443-232 9 Willards MD 876D ONVOY, LLC - MD 242   2020-04-30   
443-233 0 Vienna MD 876D ONVOY, LLC - MD 242   2020-08-09   
443-233 1 Vienna MD 876D ONVOY, LLC - MD 242   2020-08-09   
443-233 5 Vienna MD 876D ONVOY, LLC - MD 242   2020-10-17   
443-234 0 Snow Hill MD 876D ONVOY, LLC - MD 242   2019-03-04   
443-234 1 Snow Hill MD 876D ONVOY, LLC - MD 242   2021-03-05   
443-234 8 Snow Hill MD 876D ONVOY, LLC - MD 242   2017-04-14   
443-234 9 Snow Hill MD 876D ONVOY, LLC - MD 242   2019-03-04   
443-249 2 Stevensville MD 876D ONVOY, LLC - MD 242   2017-04-14   
443-249 9 Stevensville MD 876D ONVOY, LLC - MD 242   2024-03-07   
443-258 5 Easton MD 876D ONVOY, LLC - MD 242   2024-06-07   
443-282 2 Chestertown MD 876D ONVOY, LLC - MD 242   2024-04-12   
443-282 9 Chestertown MD 876D ONVOY, LLC - MD 242   2017-04-13   
443-298 2 Easton MD 876D ONVOY, LLC - MD 242   2024-07-15   
443-323 0 Sharptown MD 876D ONVOY, LLC - MD 242   2020-04-30   
443-323 1 Sharptown MD 876D ONVOY, LLC - MD 242   2020-07-04   
443-323 2 Sharptown MD 876D ONVOY, LLC - MD 242   2020-07-04   
443-373 0 Ocean City MD 876D ONVOY, LLC - MD 242   2017-04-14   
443-373 5 Ocean City MD 876D ONVOY, LLC - MD 242   2024-07-15   
443-434 0 Federalsburg MD 876D ONVOY, LLC - MD 242   2019-03-04   
443-434 4 Federalsburg MD 876D ONVOY, LLC - MD 242   2017-04-13   
443-434 9 Federalsburg MD 876D ONVOY, LLC - MD 242   2019-03-04   
443-437 0 Pocomoke MD 876D ONVOY, LLC - MD 242   2019-03-04   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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