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: LSANCAJW4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
760-203 8 Bridgeport CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-19   
805-214 0 Newbury Park CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-20   
909-314 0 San Bernardino CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-10-04   
909-324 9 Running Springs CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-20   
909-662 8 Chino CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-20   
949-627 2 Laguna Beach CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-20   
951-262 9 Hemet: Anza DA CA 222H LOCAL ACCESS SERVICES LLC - CA 730   2015-09-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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