Other cities in the 925 area code include: Pittsburg, Walnut Creek, Brentwood, Dublin, Danville, Martinez, Pleasant Hill, Lafayette, Orinda, Moraga, and Clayton.
Concord is the largest city in Contra Costa County, California. At the 2010 census, the city had a population of 122,067 making it the 8th largest city in the San Francisco Bay Area. Founded in 1869 as the community of Todos Santos by Salvio Pacheco, the name was changed to Concord within months. The city is a major regional suburban East Bay center within the San Francisco Bay Area, and is 29 miles (47 kilometres) east of San Francisco.
Antioch is a city in Contra Costa County, California, United States. Located in the East Bay region of the San Francisco Bay Area along the San Joaquin-Sacramento River Delta, it is a suburb of San Francisco and Oakland. The city's population was 102,372 at the 2010 census and estimated to be 110,542 in 2015.
Walnut Creek is a city in Contra Costa County, California, United States, located 16 miles (26 kilometres) east of the city of Oakland in the East Bay region of the San Francisco Bay Area. Although not the largest city within the county, Walnut Creek serves as a hub for its neighboring cities because of its location at the junction of (I-680) and San Francisco/Oakland (SR-24) and its accessibility by BART. Its active downtown neighborhood features hundred-year-old buildings and extensive high-end retail establishments, restaurants and entertainment venues. As of 2014, the city's total estimated population is 67,673.
The 925 area code lies within the Pacific Daylight Time Zone (or PDT). The current time in PDT is 9:08 PM on Jul 14, 2020.