Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HYWRCA115MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-405 A Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-406 A Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-407 A Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-453 A Livermore CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-553 A Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-558 A Dublin-San Ramon CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-579 A Livermore CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-626 A East Contra Costa CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-690 A Clayton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-694 A Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-738 A Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-750 A Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-752 A Antioch CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-807 A Bishop Ranch CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-822 A Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-852 A Concord CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-856 A Danville CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-951 A Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 A Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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