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
443-240 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-240 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
443-244 0 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-26   
443-244 5 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-11-06   
443-253 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-255 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-256 8 North East MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-10-01   
443-275 3 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-275 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-01-29   
443-279 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-280 A Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 0 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 1 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 2 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 3 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 4 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 5 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 7 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 8 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-10-01   
443-293 2 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-20   
443-301 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-301 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-301 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-06-07   
443-307 1 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-307 3 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-01-31   
443-310 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-315 3 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-315 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-315 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-315 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-315 9 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-05   
443-316 7 Woodlawn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-07   
443-316 9 Woodlawn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-01   
443-322 4 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-322 6 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-326 A Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-328 5 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-10-16   

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

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