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: COVNCAXFX1Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-364 3 Pico Rivera CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
562-662 A Whittier CA 506J TWILIO INTERNATIONAL, INC. 730      
562-662 6 Whittier CA 506J TWILIO INTERNATIONAL, INC. 730   2020-11-23   
626-239 4 Monrovia CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
626-508 4 San Gabriel Canyon CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
626-604 7 Sierra Madre CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
909-903 A Chino CA 506J TWILIO INTERNATIONAL, INC. 730      
909-903 9 Chino CA 506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   

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

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