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: GRDLCA11RPA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-846 A Gridley CA 9740 PACIFIC BELL 726      
530-846 0 Gridley CA 9740 PACIFIC BELL 726      
530-846 1 Gridley CA 9740 PACIFIC BELL 726      
530-846 2 Gridley CA 9740 PACIFIC BELL 726      
530-846 3 Gridley CA 9740 PACIFIC BELL 726      
530-846 4 Gridley CA 9740 PACIFIC BELL 726      
530-846 5 Gridley CA 9740 PACIFIC BELL 726      
530-846 6 Gridley CA 9740 PACIFIC BELL 726      
530-846 7 Gridley CA 9740 PACIFIC BELL 726      
530-846 9 Gridley CA 9740 PACIFIC BELL 726      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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