Newcastle, TX ZIP Codes & Directory
Newcastle is an incorporated town in Hamilton County, Texas. Browse all active 5-digit USPS postal codes serving Newcastle and surrounding Hamilton County delivery districts.
All ZIP Codes in Newcastle, TX
1 CodesAbout Newcastle Mail Delivery & Postal Administration
ZIP codes in Newcastle are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Hamilton County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Newcastle, TX ZIP Codes
How many ZIP codes serve Newcastle, Texas? ▾
Newcastle, Texas is served by 1 active USPS postal delivery codes: 78193.
What county is Newcastle located in? ▾
Newcastle is an incorporated town located within Hamilton County, Texas.
What is the population and demographic size of Newcastle? ▾
According to U.S. Census Bureau data, Newcastle has an estimated population of 3,434 residents and is situated within the Hamilton Area.
How does mail sorting and delivery work in Newcastle? ▾
Mail delivery in Newcastle is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing Hamilton County and surrounding Texas counties.