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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
838-309 9 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 A Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 2 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 3 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 4 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 5 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 6 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 7 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 8 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-310 9 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-07-12   
838-339 0 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 1 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 2 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 3 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 4 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 5 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-07-19   
838-339 6 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-11-03   
838-339 7 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-11-03   
838-339 8 Johnstown NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2022-11-03   
838-577 0 Gloversville NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2023-06-01   
838-577 5 Gloversville NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2024-11-21   
838-577 6 Gloversville NY 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2024-11-21   

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

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