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: CYCMCALLCM5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-228 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-234 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-374 A Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-560 A Upland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-615 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-967 A Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
949-592 A Capistrano Valley CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
949-692 A Laguna Beach CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-10-17   
951-314 A Corona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-316 A Corona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-317 A Corona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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