Southlake, TX ZIP Codes & Directory
Southlake is an incorporated city in La Salle County, Texas. Browse all active 5-digit USPS postal codes serving Southlake and surrounding La Salle County delivery districts.
All ZIP Codes in Southlake, TX
1 CodesAbout Southlake Mail Delivery & Postal Administration
ZIP codes in Southlake are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing La Salle County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Southlake, TX ZIP Codes
How many ZIP codes serve Southlake, Texas? ▾
Southlake, Texas is served by 1 active USPS postal delivery codes: 78283.
What county is Southlake located in? ▾
Southlake is an incorporated city located within La Salle County, Texas.
What is the population and demographic size of Southlake? ▾
According to U.S. Census Bureau data, Southlake has an estimated population of 15,018 residents and is situated within the La Salle Area.
How does mail sorting and delivery work in Southlake? ▾
Mail delivery in Southlake is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing La Salle County and surrounding Texas counties.