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: GRDNCA01DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-217 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-324 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-327 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-329 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-512 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-515 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-516 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-527 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-532 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-538 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-715 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-965 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
323-770 A Los Angeles: DA 09 CA 9740 PACIFIC BELL 730      

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

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