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.

OCN: 026K BARR TELL USA, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
909-970 9 Chino CA   730   2022-07-02   
949-773 1 Newport Beach CA   730   2022-06-24   
949-978 8 Irvine CA LSANCAJWRMD  730   2022-07-04   
951-593 3 Hemet: Hemet DA CA LSANCAJWRMD  730   2022-06-24   
951-594 4 Moreno CA LSANCAJWRMD  730   2022-06-24   
951-597 1 Corona CA LSANCAJWRMD  730   2022-06-24   
951-610 1 Perris CA LSANCAJWRMD  730   2022-07-18   
951-942 9 Murrieta CA LSANCAJWRMD  730   2022-06-24   

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

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