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: CRMLCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-620 A Carmel CA 9740 PACIFIC BELL 736      
831-620 0 Carmel CA 9740 PACIFIC BELL 736      
831-620 1 Carmel CA 9740 PACIFIC BELL 736      
831-620 4 Carmel CA 9740 PACIFIC BELL 736      
831-620 6 Carmel CA 9740 PACIFIC BELL 736      
831-620 8 Carmel CA 9740 PACIFIC BELL 736      
831-622 A Carmel CA 9740 PACIFIC BELL 736      
831-624 A Carmel CA 9740 PACIFIC BELL 736      
831-625 A Carmel CA 9740 PACIFIC BELL 736      
831-626 A Carmel CA 9740 PACIFIC BELL 736      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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