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.

Last updated: Sat, 09 May 2015 19:26:05 UTC

Switch: COVNCAXF01T

See all switches at this location

NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
213-522 A Los Angeles: DA 07 CA 8591 CROWN CELLULAR & PAGING [link] 730     map
323-763 A Los Angeles: DA 04 CA 8591 CROWN CELLULAR & PAGING [link] 730     map
562-488 A Whittier CA 8591 CROWN CELLULAR & PAGING [link] 730     map
626-558 A Covina-Baldwin Park CA 8591 CROWN CELLULAR & PAGING [link] 730     map
626-777 A Pasadena: Pasadena DA CA 8591 CROWN CELLULAR & PAGING [link] 730     map
714-440 A Huntington Beach CA 8591 CROWN CELLULAR & PAGING [link] 730     map
818-791 A San Fernando: Pacoima DA CA 8591 CROWN CELLULAR & PAGING [link] 730     map
909-577 A Claremont-San Dimas CA 8591 CROWN CELLULAR & PAGING [link] 730     map

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