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.

Switch: SLBRMDSBX0X

1 2 3 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
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   
410-572 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   
667-319 6 Chestertown MD 624H ONVOY SPECTRUM, LLC 242   2022-02-04   
667-319 7 Chestertown MD 624H ONVOY SPECTRUM, LLC 242   2022-02-04   
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   
667-341 3 Delmar MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   

1 2 3 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.