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
925-951 2 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-951 4 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-951 9 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-952 7 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-10-09   
925-954 6 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-07-16   
925-956 A Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 0 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 1 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-956 5 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-09-24   
925-956 7 Walnut Creek CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-10-09   
925-960 7 Livermore CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2016-05-31   
925-965 4 Pleasanton CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-978 5 Antioch CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-12-21   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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