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
667-305 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   
667-331 8 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-331 9 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-22   
667-333 0 Armiger-Gibson Island MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-07-25   
667-333 1 Armiger-Gibson Island MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-09-30   
667-333 4 Armiger-Gibson Island MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-07-25   
667-333 5 Armiger-Gibson Island MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-07-25   
667-336 5 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-09-27   
667-345 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-11-08   
667-356 1 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 2 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-13   
667-356 8 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-356 9 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-10-17   
667-367 3 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-11-13   
667-367 4 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-07-25   
667-367 8 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-04-23   
667-369 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-04   
667-369 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-04   
667-371 1 Ellicott City MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-03-10   
667-380 4 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-380 5 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-380 8 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-14   
667-383 0 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-383 4 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-03   
667-388 A Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-388 0 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 1 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 2 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 3 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-04-23   
667-388 5 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-08-25   
667-388 7 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-08-25   
667-388 9 Severn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-01-29   

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

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