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.
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Switch: BRBNCAIZ9MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
820-888 7 Simi Valley CA 6664 SPRINT SPECTRUM, L.P. 730   2021-02-12   
909-208 0 Ontario CA 6664 SPRINT SPECTRUM, L.P. 730      
909-208 9 Ontario CA 6664 SPRINT SPECTRUM, L.P. 730      

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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