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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-788 1 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-12-16   
667-788 3 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-06-07   
667-788 8 Westminster MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-05-09   
667-842 7 Woodlawn MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-14   
667-856 0 Dundalk MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-06-09   
667-856 1 Dundalk MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-04-15   
667-877 2 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 3 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 8 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-925 2 Bel Air MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-02-12   
667-967 2 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-967 3 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-967 4 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-01-25   
667-967 6 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   
667-967 8 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-07-06   
667-967 9 Glen Burnie MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-09-05   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.