Katy, TX ZIP Codes & Directory
Katy is an incorporated city in Armstrong County, Texas. Browse all active 5-digit USPS postal codes serving Katy and surrounding Armstrong County delivery districts.
All ZIP Codes in Katy, TX
1 CodesAbout Katy Mail Delivery & Postal Administration
ZIP codes in Katy are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Armstrong County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Katy, TX ZIP Codes
How many ZIP codes serve Katy, Texas? ▾
Katy, Texas is served by 1 active USPS postal delivery codes: 78011.
What county is Katy located in? ▾
Katy is an incorporated city located within Armstrong County, Texas.
What is the population and demographic size of Katy? ▾
According to U.S. Census Bureau data, Katy has an estimated population of 14,316 residents and is situated within the Armstrong Area.
How does mail sorting and delivery work in Katy? ▾
Mail delivery in Katy is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing Armstrong County and surrounding Texas counties.