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
443-980 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-980 9 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-987 2 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-989 4 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-05-28   
443-989 6 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-07-06   
443-989 7 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-09-14   
443-990 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-07   
443-990 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-07   
443-990 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-07   
443-990 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-07   
443-990 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-07   
443-993 3 Elkton MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-18   
443-993 4 Elkton MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-05-18   
443-994 A Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-995 A Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-996 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-201 3 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-13   
667-201 4 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-225 A Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-225 2 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-06-24   
667-225 8 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-12-25   
667-225 9 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-08-25   
667-232 1 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-01-18   
667-232 9 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-22   
667-240 3 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 4 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-240 5 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
667-240 6 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   
667-240 7 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-240 9 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-19   
667-250 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-250 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-06   
667-250 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-06   
667-250 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-06   
667-250 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-06   
667-250 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-06   
667-250 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-250 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-250 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-257 7 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-11-26   
667-261 A Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-261 0 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-02-24   
667-261 1 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-02-24   
667-261 2 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-02-24   
667-261 3 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-08   
667-261 4 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-08   
667-261 5 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-08   
667-261 9 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-02-07   
667-263 A Dundalk MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-263 9 Dundalk MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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