Pittsburg, CA Insights: Population,
Zip Codes, Influence, and Service Areas

Originally settled in 1839 as “Rancho Los Medanos”, the area of almost 10,000 acres was issued to Californios Jose Antonio Mesa and his brother Jose Miguel under a Mexican Land Grant by then Governor Juan Bautista Alvarado, one of the final land grants issued prior to the formation of California as a state.

Zip Codes in Pittsburg, CA that we also serve: 94565





Cities Close To Pittsburg, CA That We Also Serve



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