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: SNJUCACL4MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-205 3 Danville CA 939H COMMIO, LLC 722      
925-205 4 Danville CA 939H COMMIO, LLC 722      
925-205 5 Danville CA 939H COMMIO, LLC 722      
925-220 1 Pittsburg CA 939H COMMIO, LLC 722      
925-220 3 Pittsburg CA 939H COMMIO, LLC 722      
925-220 8 Pittsburg CA 939H COMMIO, LLC 722      
925-220 9 Pittsburg CA 939H COMMIO, LLC 722      
925-269 0 Martinez CA 939H COMMIO, LLC 722      
925-269 1 Martinez CA 939H COMMIO, LLC 722      
925-269 3 Martinez CA 939H COMMIO, LLC 722      
925-342 1 Walnut Creek CA 939H COMMIO, LLC 722      
925-342 9 Walnut Creek CA 939H COMMIO, LLC 722      
925-352 2 Pleasanton CA 939H COMMIO, LLC 722      
925-353 2 Pleasanton CA 939H COMMIO, LLC 722      
925-366 2 Pleasanton CA 939H COMMIO, LLC 722      
925-398 5 Pleasanton CA 939H COMMIO, LLC 722      
925-419 0 Concord CA 939H COMMIO, LLC 722      
925-419 1 Concord CA 939H COMMIO, LLC 722      
925-492 A Pittsburg CA 939H COMMIO, LLC 722      
925-492 0 Pittsburg CA 939H COMMIO, LLC 722      
925-492 1 Pittsburg CA 939H COMMIO, LLC 722      
925-492 2 Pittsburg CA 939H COMMIO, LLC 722      
925-514 1 Martinez CA 939H COMMIO, LLC 722      
925-514 2 Martinez CA 939H COMMIO, LLC 722      
925-514 8 Martinez CA 939H COMMIO, LLC 722      
925-597 6 Pittsburg CA 939H COMMIO, LLC 722      
925-633 0 Concord CA 939H COMMIO, LLC 722      
925-633 1 Concord CA 939H COMMIO, LLC 722      
925-633 2 Concord CA 939H COMMIO, LLC 722      
925-633 8 Concord CA 939H COMMIO, LLC 722      
925-633 9 Concord CA 939H COMMIO, LLC 722      
925-722 0 Walnut Creek CA 939H COMMIO, LLC 722      
925-722 1 Walnut Creek CA 939H COMMIO, LLC 722      
925-733 1 Danville CA 939H COMMIO, LLC 722      
925-733 2 Danville CA 939H COMMIO, LLC 722      
925-733 4 Danville CA 939H COMMIO, LLC 722      
925-892 0 Pleasanton CA 939H COMMIO, LLC 722      
925-892 5 Pleasanton CA 939H COMMIO, LLC 722      
925-892 6 Pleasanton CA 939H COMMIO, LLC 722      
925-892 7 Pleasanton CA 939H COMMIO, LLC 722      

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

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