Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 433E SONIC TELECOM, LLC - CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-464 5 Walnut Creek CA SNRTCAHFDS0  722   2012-12-27   
925-578 0 East Contra Costa CA SNRTCAHFDS0  722   2021-07-11   
925-594 4 Danville CA SNRTCAHFDS0  722   2015-12-12   
925-626 6 East Contra Costa CA SNRTCAHFDS0  722   2015-04-09   
925-635 6 Pittsburg CA SNRTCAHFDS0  722   2015-04-09   
925-723 7 Martinez CA SNRTCAHFDS0  722   2012-12-22   
925-794 3 Moraga CA SNRTCAHFDS0  722   2015-12-12   
925-800 4 Livermore CA SNRTCAHFDS0  722   2015-12-12   
925-889 8 Clayton CA SNRTCAHFDS0  722   2015-04-09   
925-913 3 Bishop Ranch CA SNRTCAHFDS0  722   2015-12-12   
925-918 9 Pleasanton CA SNRTCAHFDS0  722   2015-12-12   
925-999 3 Dublin-San Ramon CA SNRTCAHFDS0  722   2015-12-12   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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