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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-923 7 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-12-22   
209-924 7 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2019-10-11   
209-924 9 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2016-07-16   
209-969 A Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-994 A Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-994 0 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-08-05   
209-994 2 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-05   
209-994 3 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-05   
209-994 9 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2022-11-12   
350-218 4 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-02-17   
350-218 5 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 5 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 6 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 7 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 8 Manteca CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-257 A Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2026-06-19   
350-257 9 Ripon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 738   2026-06-19   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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