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
667-275 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-03-17   
667-275 9 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-09-04   
667-276 0 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-18   
667-276 5 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-11-26   
667-278 A Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-278 2 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-07-20   
667-278 3 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-08-14   
667-278 4 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-08-14   
667-278 5 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 6 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 7 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-24   
667-278 9 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-23   
667-280 0 Ellicott City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-03-12   
667-294 A Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-294 5 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 6 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 7 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 9 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-299 2 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-10-26   
667-299 3 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-10-26   
667-299 4 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-10-26   
667-299 6 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-12-25   
667-299 7 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-12-25   
667-300 8 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-04   
667-300 9 Columbia MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-04   
667-304 1 Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-04-25   
667-304 2 Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-02   
667-304 6 Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-10-03   
667-305 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-10-16   
667-305 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-10-16   
667-305 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-22   
667-305 7 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-22   
667-308 0 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-20   
667-310 1 Parkville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-314 2 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-27   
667-321 5 Prince Frederick MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-06-05   
667-321 6 Prince Frederick MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-06-05   
667-321 7 Prince Frederick MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-26   
667-328 A Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-328 8 Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-07   
667-328 9 Essex MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-07   
667-331 A Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-331 1 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 2 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 3 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-10   
667-331 5 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 6 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 7 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   

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

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