Patelco Credit Union is a member owned, not-for-profit credit union that serves Northern California, particularly the San Francisco Bay Area.

Patelco Credit Union once served an organization formerly known as Pacific Telephone & Telegraph Company (now known as AT&T).

However, in 1983 it opened its doors to the public and now operates 37 branches in Northern California.

[3] It provides services in the form of deposits, lending, investments, and insurance.

Starting June 29th, 2024, Patelco has been experiencing a ransomware attack, causing a partial service outage.