Firstmark Credit Union - Legacy Financial Center

San Antonio has 148 credit unions listed here, which is enough that narrowing by ZIP code helps before you start calling. Clusters around 78216 and 78251 each hold nine listings, so if you're in one of those areas you'll have several nearby options to compare rather than driving across town. Smaller ZIPs like 78209 carry only four, which means fewer choices but also a shorter list to work through.

Most entries include a working phone number, and the majority also link to a website, so you can usually check hours or services before dialing. None of these listings are marked verified, and none are Sponsored, so the order you see reflects no paid ranking or review process on SiteCity's part. If a paid placement is added later, it will carry a Sponsored label so you can tell it apart from the rest. If you manage one of these credit unions and notice the phone number or website is missing or outdated, you can claim the listing and update it, since a member trying to reach you in a busy ZIP has plenty of other names to call next.