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: SNPDCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-221 A San Pedro CA 9740 PACIFIC BELL 730      
310-221 0 San Pedro CA 9740 PACIFIC BELL 730      
310-221 4 San Pedro CA 9740 PACIFIC BELL 730      
310-241 A San Pedro CA 9740 PACIFIC BELL 730      
310-241 0 San Pedro CA 9740 PACIFIC BELL 730      
310-241 1 San Pedro CA 9740 PACIFIC BELL 730      
310-241 2 San Pedro CA 9740 PACIFIC BELL 730      
310-241 4 San Pedro CA 9740 PACIFIC BELL 730      
310-241 5 San Pedro CA 9740 PACIFIC BELL 730      
310-241 8 San Pedro CA 9740 PACIFIC BELL 730      
310-241 9 San Pedro CA 9740 PACIFIC BELL 730      
310-514 A San Pedro CA 9740 PACIFIC BELL 730      
310-514 0 San Pedro CA 9740 PACIFIC BELL 730      
310-514 1 San Pedro CA 9740 PACIFIC BELL 730      
310-514 2 San Pedro CA 9740 PACIFIC BELL 730      
310-514 3 San Pedro CA 9740 PACIFIC BELL 730      
310-514 4 San Pedro CA 9740 PACIFIC BELL 730      
310-514 5 San Pedro CA 9740 PACIFIC BELL 730      
310-514 8 San Pedro CA 9740 PACIFIC BELL 730      
310-514 9 San Pedro CA 9740 PACIFIC BELL 730      
310-519 A San Pedro CA 9740 PACIFIC BELL 730      
310-521 A San Pedro CA 9740 PACIFIC BELL 730      
310-547 A San Pedro CA 9740 PACIFIC BELL 730      
310-547 0 San Pedro CA 9740 PACIFIC BELL 730      
310-547 1 San Pedro CA 9740 PACIFIC BELL 730      
310-547 2 San Pedro CA 9740 PACIFIC BELL 730      
310-547 3 San Pedro CA 9740 PACIFIC BELL 730      
310-547 4 San Pedro CA 9740 PACIFIC BELL 730      
310-547 5 San Pedro CA 9740 PACIFIC BELL 730      
310-547 9 San Pedro CA 9740 PACIFIC BELL 730      
310-548 A San Pedro CA 9740 PACIFIC BELL 730      
310-732 A San Pedro CA 9740 PACIFIC BELL 730      
310-831 A San Pedro CA 9740 PACIFIC BELL 730      
310-832 A San Pedro CA 9740 PACIFIC BELL 730      
310-833 A San Pedro CA 9740 PACIFIC BELL 730      
310-971 2 San Pedro CA 9740 PACIFIC BELL 730      

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

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