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: SFSPCAPOCM0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
626-676 A Pasadena: Pasadena DA CA 6664 SPRINT SPECTRUM L.P. 730      
626-975 A Alhambra CA 6664 SPRINT SPECTRUM L.P. 730      
661-418 A Lancaster CA 6664 SPRINT SPECTRUM L.P. 730   2012-04-09   
661-429 A Lancaster CA 6664 SPRINT SPECTRUM L.P. 730   2012-11-08   
661-492 A Lancaster CA 6664 SPRINT SPECTRUM L.P. 730      
661-547 A Lancaster CA 6664 SPRINT SPECTRUM L.P. 730      
661-874 A Lancaster CA 6664 SPRINT SPECTRUM L.P. 730      
909-559 A Fontana CA 6664 SPRINT SPECTRUM L.P. 730      
909-964 A Claremont-San Dimas CA 6664 SPRINT SPECTRUM L.P. 730      

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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