Portland, TX ZIP Codes & Directory
Portland is an incorporated city in Grayson County, Texas. Browse all active 5-digit USPS postal codes serving Portland and surrounding Grayson County delivery districts.
All ZIP Codes in Portland, TX
1 CodesAbout Portland Mail Delivery & Postal Administration
ZIP codes in Portland are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Grayson County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Portland, TX ZIP Codes
How many ZIP codes serve Portland, Texas? ▾
Portland, Texas is served by 1 active USPS postal delivery codes: 78181.
What county is Portland located in? ▾
Portland is an incorporated city located within Grayson County, Texas.
What is the population and demographic size of Portland? ▾
According to U.S. Census Bureau data, Portland has an estimated population of 6,012 residents and is situated within the Grayson Area.
How does mail sorting and delivery work in Portland? ▾
Mail delivery in Portland is operated by the United States Postal Service through regional Sectional Center Facility (SCF) distribution plants servicing Grayson County and surrounding Texas counties.