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: UNCYCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-324 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 0 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 1 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 2 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 3 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 4 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-324 8 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-429 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 0 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 1 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 2 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 3 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 5 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 6 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 7 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 8 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-441 9 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-471 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-475 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 0 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 1 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 2 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 3 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 4 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 5 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 6 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 7 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-476 8 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-477 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-487 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-489 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 A Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 0 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 1 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 2 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 3 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 4 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 5 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 6 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      
510-675 9 Fremont-Newark: Greenleaf DA CA 9740 PACIFIC BELL 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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