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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-914 4 Clayton CA 649C ONVOY, LLC - CA 722      
925-925 A Concord CA 649C ONVOY, LLC - CA 722      
925-925 0 Concord CA 649C ONVOY, LLC - CA 722      
925-925 1 Concord CA 649C ONVOY, LLC - CA 722      
925-925 2 Concord CA 649C ONVOY, LLC - CA 722      
925-925 3 Concord CA 649C ONVOY, LLC - CA 722      
925-925 4 Concord CA 649C ONVOY, LLC - CA 722      
925-925 5 Concord CA 649C ONVOY, LLC - CA 722      
925-925 6 Concord CA 649C ONVOY, LLC - CA 722      
925-925 7 Concord CA 649C ONVOY, LLC - CA 722      
925-925 8 Concord CA 649C ONVOY, LLC - CA 722      
925-925 9 Concord CA 649C ONVOY, LLC - CA 722      
925-940 A Walnut Creek CA 649C ONVOY, LLC - CA 722      
925-951 5 Walnut Creek CA 649C ONVOY, LLC - CA 722      
925-951 6 Walnut Creek CA 649C ONVOY, LLC - CA 722      
925-954 3 Walnut Creek CA 649C ONVOY, LLC - CA 722      
925-957 4 Martinez CA 649C ONVOY, LLC - CA 722      
925-961 8 Livermore CA 649C ONVOY, LLC - CA 722      
925-962 2 Lafayette CA 649C ONVOY, LLC - CA 722      
925-962 3 Lafayette CA 649C ONVOY, LLC - CA 722      
925-962 4 Lafayette CA 649C ONVOY, LLC - CA 722      
925-966 1 Antioch CA 649C ONVOY, LLC - CA 722      
925-966 2 Antioch CA 649C ONVOY, LLC - CA 722      
925-966 3 Antioch CA 649C ONVOY, LLC - CA 722      
925-966 4 Antioch CA 649C ONVOY, LLC - CA 722      
925-968 2 Bishop Ranch CA 649C ONVOY, LLC - CA 722      
925-968 3 Bishop Ranch CA 649C ONVOY, LLC - CA 722      
925-999 4 Dublin-San Ramon CA 649C ONVOY, LLC - CA 722      
925-999 7 Dublin-San Ramon CA 649C ONVOY, LLC - CA 722      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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