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.
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Switch: HWTHCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-219 A Hawthorne CA 9740 PACIFIC BELL 730      
310-263 A Hawthorne CA 9740 PACIFIC BELL 730      
310-331 A Hawthorne CA 9740 PACIFIC BELL 730      
310-332 A Hawthorne CA 9740 PACIFIC BELL 730      
310-349 A Hawthorne CA 9740 PACIFIC BELL 730      
310-355 A Hawthorne CA 9740 PACIFIC BELL 730      
310-644 A Hawthorne CA 9740 PACIFIC BELL 730      
310-675 A Hawthorne CA 9740 PACIFIC BELL 730      
310-676 A Hawthorne CA 9740 PACIFIC BELL 730      
310-679 A Hawthorne CA 9740 PACIFIC BELL 730      
310-970 A Hawthorne CA 9740 PACIFIC BELL 730      
310-973 A Hawthorne CA 9740 PACIFIC BELL 730      
310-978 A Hawthorne CA 9740 PACIFIC BELL 730      
323-772 A Los Angeles: DA 09 CA 9740 PACIFIC BELL 730      

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

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