Karnack, TX ZIP Codes & Directory
Karnack is located in Harrison County in Texas. Browse all active 5-digit USPS ZIP codes serving Karnack and surrounding Harrison County delivery districts.
All ZIP Codes in Karnack, TX
1 CodesAbout Karnack Mail Delivery & Postal Administration
ZIP codes in Karnack are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Harrison County and surrounding Texas metropolitan districts.
Frequently Asked Questions About Karnack, TX ZIP Codes
How many ZIP codes serve Karnack, Texas? ▾
Karnack, Texas is served by 1 active USPS postal delivery codes: 75661.
What county is Karnack located in? ▾
Karnack is an incorporated city located within Harrison County, Texas.
What is the population and demographic size of Karnack? ▾
According to official U.S. Census Bureau data, Karnack has an estimated population of 2,381 residents and is situated within the undefined.
How does mail sorting and delivery work in Karnack? ▾
Mail delivery in Karnack is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Harrison County and surrounding Texas counties.
How much does it cost to ship a package to Karnack, TX? ▾
Shipping costs to Karnack depend on the package weight, dimensions, shipping carrier (USPS, UPS, FedEx), and the distance from the origin ZIP code. To calculate exact postage rates, use our shipping cost estimator tool.
What is the standard delivery time for mail to Karnack? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Karnack, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.