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
667-471 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-471 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-471 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-471 7 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-471 8 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-471 9 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-05-16   
667-478 2 Sykesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-06-22   
667-482 A Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-482 5 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-482 6 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-482 7 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-482 8 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-482 9 Catonsville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-04   
667-486 8 Prince Frederick MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-22   
667-487 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 4 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 5 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 6 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 7 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 8 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-487 9 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-17   
667-490 A Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 0 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-22   
667-490 1 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-22   
667-490 2 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-22   
667-490 3 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-22   
667-490 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 7 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 8 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-490 9 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-11   
667-491 A Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-03   
667-491 0 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-05   
667-491 2 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-04   
667-491 3 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-04   
667-491 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-04   
667-491 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-04   
667-491 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-04   
667-491 7 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-03   
667-491 8 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-03   
667-491 9 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-11-03   
667-495 1 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-495 2 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-495 3 Baltimore MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
667-499 A Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 3 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 4 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 5 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   
667-499 6 Pikesville MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-16   

<< 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.