Rio Grande City, TX ZIP Codes & Directory
Rio Grande City is an incorporated city in Starr County, Texas. Browse all active 5-digit USPS postal codes serving Rio Grande City and surrounding Starr County delivery districts.
All ZIP Codes in Rio Grande City, TX
1 CodesAbout Rio Grande City Mail Delivery & Postal Administration
ZIP codes in Rio Grande City are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Starr County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Rio Grande City, TX ZIP Codes
How many ZIP codes serve Rio Grande City, Texas? ▾
Rio Grande City, Texas is served by 1 active USPS postal delivery codes: 78427.
What county is Rio Grande City located in? ▾
Rio Grande City is an incorporated city located within Starr County, Texas.
What is the population and demographic size of Rio Grande City? ▾
According to U.S. Census Bureau data, Rio Grande City has an estimated population of 26,368 residents and is situated within the Starr Region.
How does mail sorting and delivery work in Rio Grande City? ▾
Mail delivery in Rio Grande City is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing Starr County and surrounding Texas counties.