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.

San Diego: San Diego DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
619-221 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 0 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 1 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 2 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 3 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-01-19   
619-221 4 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 5 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 6 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 7 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 8 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-221 9 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-222 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-223 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-224 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 0 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 1 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 2 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 3 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 4 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 5 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 6 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2010-03-05   
619-225 8 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-225 9 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 A SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 0 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 1 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 2 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 3 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 4 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 5 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 6 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 7 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 8 SNDGCA14DS0  9740 PACIFIC BELL 732      
619-226 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2012-10-17   
619-228 A SNDGCA06DS0  9740 PACIFIC BELL 732      
619-228 0 SNDGCA06DS0  9740 PACIFIC BELL 732      
619-228 1 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2005-01-03   
619-228 2 SNDGCA06DS0  9740 PACIFIC BELL 732      
619-228 3 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2003-07-26   
619-228 4 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2003-07-26   
619-228 5 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2003-07-26   
619-228 6 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2003-07-26   
619-228 7 SNDGCA01DS0  9740 PACIFIC BELL 732      
619-228 8 SNDGCA06DS0  9740 PACIFIC BELL 732      
619-228 9 SNDGCA0242Z  516C AT&T CORP. 732      
619-229 A SNDGCA11DS0  9740 PACIFIC BELL 732      
619-230 A SNDGCA01DS0  9740 PACIFIC BELL 732      
619-230 0 SNDGCA01DS0  9740 PACIFIC BELL 732      

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

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