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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-293 A Martinez CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-369 A Martinez CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-396 A Pleasanton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-397 A Pleasanton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-475 A Pleasanton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-476 A Walnut Creek CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-605 A Livermore CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-663 A Sunol CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-664 A Pittsburg West CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-665 A Pittsburg CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-666 A East Contra Costa CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-775 A Antioch CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-848 A Antioch CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-884 A Bishop Ranch CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-885 A Orinda CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-886 A Danville CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-887 A Concord CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-888 A Moraga CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-889 A Clayton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-891 A Walnut Creek CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-892 A Pleasanton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-905 A Dublin-San Ramon CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-940 A Walnut Creek CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      
925-955 A Walnut Creek CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 722      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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