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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-480 5 Chestertown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-01-18   
443-480 7 Chestertown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2007-08-07   
443-513 A Berlin MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 0 Berlin MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 1 Berlin MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 6 Berlin MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2006-09-18   
443-513 8 Berlin MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2012-02-23   
443-523 7 Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-01-18   
443-523 8 Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-01-18   
443-666 4 Chestertown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2016-03-11   
443-666 7 Chestertown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2018-08-27   
443-735 A Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 A Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 0 Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 9 Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 0 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2016-07-06   
443-856 3 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2016-07-06   
443-856 5 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2007-07-27   
443-856 7 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2012-08-17   
443-856 8 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-01-18   
443-856 9 Ocean City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-01-18   
667-337 0 Centreville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2021-08-14   
667-977 9 Salisbury MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2021-10-19   

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Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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