Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-304 8 Queenstown MD 624H ONVOY SPECTRUM, LLC 242   2024-06-24   
410-334 1 Salisbury MD 624H ONVOY SPECTRUM, LLC 242   2021-11-06   
410-352 1 Bishopville MD 624H ONVOY SPECTRUM, LLC 242   2021-11-06   
410-364 1 Hillsboro MD 624H ONVOY SPECTRUM, LLC 242   2024-06-24   
410-364 2 Hillsboro MD 624H ONVOY SPECTRUM, LLC 242   2024-06-24   
410-572 1 Salisbury MD 624H ONVOY SPECTRUM, LLC 242   2021-11-06   
410-634 0 Ridgely MD 624H ONVOY SPECTRUM, LLC 242   2023-09-02   
410-648 3 Galena MD 624H ONVOY SPECTRUM, LLC 242   2022-05-23   
410-714 5 Easton MD 624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-714 6 Easton MD 624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-714 7 Easton MD 624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-784 9 Deal Island MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
410-827 1 Queenstown MD 624H ONVOY SPECTRUM, LLC 242   2021-02-24   
410-936 9 Salisbury MD 624H ONVOY SPECTRUM, LLC 242   2021-11-06   
410-968 7 Crisfield MD 624H ONVOY SPECTRUM, LLC 242   2021-11-11   
410-968 8 Crisfield MD 624H ONVOY SPECTRUM, LLC 242   2021-02-24   
443-448 2 Denton MD 624H ONVOY SPECTRUM, LLC 242   2021-12-09   
443-515 4 Cambridge MD 624H ONVOY SPECTRUM, LLC 242   2022-02-03   
443-665 1 Nanticoke MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-252 A Salisbury MD 624H ONVOY SPECTRUM, LLC 242      
667-252 6 Salisbury MD 624H ONVOY SPECTRUM, LLC 242   2018-07-30   
667-264 9 Delmar MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-265 0 Vienna MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-265 1 Vienna MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-265 9 Vienna MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-279 6 Bishopville MD 624H ONVOY SPECTRUM, LLC 242   2022-03-03   
667-279 7 Bishopville MD 624H ONVOY SPECTRUM, LLC 242   2022-03-03   
667-282 4 Tilghman MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-282 5 Tilghman MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-282 7 Tilghman MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-287 2 Bishopville MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-288 5 Berlin MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-293 4 Sharptown MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-293 5 Sharptown MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-293 6 Sharptown MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-302 4 Cecilton MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-302 5 Cecilton MD 624H ONVOY SPECTRUM, LLC 242   2022-01-22   
667-302 7 Cecilton MD 624H ONVOY SPECTRUM, LLC 242   2022-01-22   
667-316 3 Oxford MD 624H ONVOY SPECTRUM, LLC 242   2021-06-09   
667-317 3 Princess Anne MD 624H ONVOY SPECTRUM, LLC 242   2021-06-30   
667-317 7 Princess Anne MD 624H ONVOY SPECTRUM, LLC 242   2022-02-04   
667-317 8 Princess Anne MD 624H ONVOY SPECTRUM, LLC 242   2022-02-04   
667-319 3 Chestertown MD 624H ONVOY SPECTRUM, LLC 242   2021-07-12   
667-323 1 Queenstown MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-323 2 Queenstown MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-323 8 Queenstown MD 624H ONVOY SPECTRUM, LLC 242   2022-03-11   
667-327 3 Cambridge MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-337 1 Centreville MD 624H ONVOY SPECTRUM, LLC 242   2022-02-05   
667-337 4 Centreville MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-337 8 Centreville MD 624H ONVOY SPECTRUM, LLC 242   2022-02-05   

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

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