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: HWTHCA01DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-970 0 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 1 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 3 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 5 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 6 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 7 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 8 Hawthorne CA 9740 PACIFIC BELL 730      
310-970 9 Hawthorne CA 9740 PACIFIC BELL 730      
310-973 A Hawthorne CA 9740 PACIFIC BELL 730      
310-978 A Hawthorne CA 9740 PACIFIC BELL 730      
310-978 0 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 1 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 2 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 3 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 4 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 6 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 8 Hawthorne CA 9740 PACIFIC BELL 730      
310-978 9 Hawthorne CA 9740 PACIFIC BELL 730      
323-772 A Los Angeles: DA 09 CA 9740 PACIFIC BELL 730      
323-772 1 Los Angeles: DA 09 CA 9740 PACIFIC BELL 730      

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

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