Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-509 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-05-19   
443-509 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-05-19   
443-509 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-11-08   
443-509 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-10-21   
443-509 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-10-21   
443-509 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-10-21   
443-510 6 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-510 7 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-510 8 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-16   
443-514 4 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 5 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-514 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-516 6 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-19   
443-517 0 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-06   
443-517 2 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-12-20   
443-517 4 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-06   
443-518 0 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-05-26   
443-518 6 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-05-26   
443-518 8 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-03-29   
443-518 9 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-519 3 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-519 6 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-519 7 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-519 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-519 9 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-520 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-525 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-525 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-525 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-531 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-531 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   
443-531 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-23   

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

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