San Isidro, TX

Located in Rio Grande City, Texas, ZIP code 78588 is home to several important landmarks. One notable landmark is Fort Ringgold, a historic army post dating back to the late 1800s, which now serves as a museum and event venue. The area also boasts the Starr County Memorial Cemetery, a significant resting place for local residents. Additionally, the Rio Grande City Consolidated Independent School District plays a vital role in the community.