Fannin County, TX ZIP Codes & Directory
Complete postal guide for Fannin County, Texas. Featuring the official county seat of Bonham, largest municipality Bonham, and serving 10 incorporated municipal entities.
Municipalities Located in Fannin County
Incorporated Cities, Towns, and Villages
Bonham
cityPopulation: 14,265
Oak Point
cityPopulation: 17,001
Oak Ridge North
cityPopulation: 10,073
O'Donnell
cityPopulation: 5,116
Olmos Park
cityPopulation: 15,697
Olney
cityPopulation: 5,717
Omaha
cityPopulation: 11,124
Orange Grove
cityPopulation: 18,612
Ore City
cityPopulation: 18,728
Fannin City 73
cityPopulation: 5,325
Active USPS Postal Codes in Fannin County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Fannin County, TX
What is the county seat and largest city in Fannin County? ▾
The official county seat of Fannin County is Bonham, and its largest incorporated municipality by population is Bonham.
How many cities, towns, and villages are in Fannin County? ▾
Fannin County encompasses 10 incorporated municipal entities, including 10 cities, 0 towns, and 0 villages.
What is the total population and land area of Fannin County? ▾
According to official U.S. Census Bureau data, Fannin County has a population of approximately 35,662 residents and spans an area of 891 square miles.
How many postal codes operate in Fannin County? ▾
There are 1 active USPS postal codes serving addresses within Fannin County, Texas.