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: SCRMCA0111Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-443 A Marysville CA 318J COMCAST IP PHONE, LLC 726      
530-460 A Grass Valley: Main DA CA 318J COMCAST IP PHONE, LLC 726      
530-556 A Shingle Springs CA 318J COMCAST IP PHONE, LLC 726      
530-619 A Colusa CA 318J COMCAST IP PHONE, LLC 726      
530-954 A Live Oak CA 318J COMCAST IP PHONE, LLC 726      
916-514 A Sacramento: North DA CA 318J COMCAST IP PHONE, LLC 726      
916-550 A Sacramento: North DA CA 318J COMCAST IP PHONE, LLC 726      
916-571 A Sacramento: North DA CA 318J COMCAST IP PHONE, LLC 726      
916-573 A Sacramento: Main DA CA 318J COMCAST IP PHONE, LLC 726      
916-706 A Sacramento: Main DA CA 318J COMCAST IP PHONE, LLC 726      
916-891 A Sacramento: North DA CA 318J COMCAST IP PHONE, LLC 726      
916-898 A Sacramento: Main DA CA 318J COMCAST IP PHONE, LLC 726      
916-910 A Roseville: Citrus Heights DA CA 318J COMCAST IP PHONE, LLC 726      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.