Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CLMAMDORGT0

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-718 3 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 4 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 5 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 9 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-733 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-736 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-759 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-759 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-759 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-790 A Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-793 3 Severna Park MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-11   
410-801 0 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-802 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-807 0 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-807 1 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-807 2 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-807 5 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-807 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-812 A Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-818 0 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 3 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 4 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-818 9 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-842 3 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-842 5 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-842 7 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-847 4 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-847 5 Towson MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-852 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-855 1 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-04-18   
410-855 2 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-04-18   
410-855 3 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-04-18   
410-858 0 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-858 6 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-12   
410-858 7 Annapolis MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-861 7 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
410-863 8 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-20   
410-863 9 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-20   
410-868 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      

<< 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 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.