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: CSMSCA11DS1

Remotes:

Switch Switch name Switch type
SLVRCA11RS1  SILVERADO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
949-515 A Newport Beach CA 9740 PACIFIC BELL 730      
949-548 A Newport Beach CA 9740 PACIFIC BELL 730      
949-574 A Newport Beach CA 9740 PACIFIC BELL 730      
949-630 A Newport Beach CA 9740 PACIFIC BELL 730      
949-630 4 Newport Beach CA 9740 PACIFIC BELL 730      
949-631 A Newport Beach CA 9740 PACIFIC BELL 730      
949-642 A Newport Beach CA 9740 PACIFIC BELL 730      
949-645 A Newport Beach CA 9740 PACIFIC BELL 730      
949-646 A Newport Beach CA 9740 PACIFIC BELL 730      
949-650 A Newport Beach CA 9740 PACIFIC BELL 730      
949-722 A Newport Beach CA 9740 PACIFIC BELL 730      
949-764 A Newport Beach CA 9740 PACIFIC BELL 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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