Everything you need to know about Texas ZIP codes, from Houston to Dallas and everywhere in between
Introduction to Texas ZIP Codes
Texas has one of the most extensive ZIP Code Texas systems in the United States, serving over 29 million residents across the second-largest state by area. Understanding the Texas postal code system is essential for efficient mail delivery and business operations.
The Lone Star State’s ZIP codes list Texas ranges from 73301 to 79999, covering diverse landscapes from major metropolitan areas to vast rural regions. Each Texas area ZIP code provides valuable information about geographic location and delivery routes.
Whether you’re looking for a specific Code or trying to understand the Dallas ZIP Code system, this guide provides comprehensive information about Texas postal codes.
ZIP Codes for Major Texas Cities
Texas major metropolitan areas have distinctive ZIP code patterns. Here’s a comprehensive look at postal codes for the state’s largest cities.
Houston
Primary Range: 77001-77598
Downtown: 77002
The Woodlands: 77380-77389
Houston has one of the most extensive ZIP code systems in Texas with over 140 codes.
Dallas
Primary Range: 75201-75398
Downtown: 75201-75202
Uptown: 75204, 75219
Dallas ZIP codes serve the fourth-largest metropolitan area in the United States.
Austin
Primary Range: 73301-78799
Downtown: 78701
University Area: 78705
Austin’s ZIP codes reflect the city’s rapid growth and expanding metropolitan area.
Texas ZIP Code Ranges by Region
| Region | ZIP Code Range | Major Cities |
|---|---|---|
| East Texas | 75601-75999 | Tyler, Longview, Lufkin |
| West Texas | 79701-79999 | El Paso, Midland, Odessa |
| South Texas | 78001-78599 | San Antonio, Laredo, McAllen |
| North Texas | 75001-76299 | Dallas, Fort Worth, Arlington |
How to Find Your Texas ZIP Code
Finding the correct ZIP Code Texas is crucial for accurate mail delivery. Here are the most effective methods to locate Texas ZIP codes.
Quick ZIP Code Lookup
Find any Texas ZIP code instantly
Official Methods to Find Texas ZIP Codes
1. USPS Online Tools
The United States Postal Service offers reliable tools for finding Texas area ZIP codes:
- USPS ZIP Code Lookup – Official search tool
- Address Validation API – For business use
- Mobile Applications – USPS official apps
2. Local Resources
For immediate assistance with “what is my ZIP Code in Texas” questions:
- Visit your local post office
- Check with apartment or office management
- Ask neighbors or local businesses
- Consult recent mail you’ve received
Why Texas ZIP Codes Matter
Beyond mail delivery, ZIP Code Texas information plays crucial roles in daily life and business operations throughout the state.
Business Applications
Texas businesses rely on accurate Texas postal code data for:
- Shipping cost calculations
- Sales tax determination
- Market analysis and territory planning
- Delivery time estimates
Government Services
State and local governments use ZIP codes list Texas for:
- Emergency service dispatch
- Voting district definitions
- Resource allocation and funding distribution
- Census data collection
Personal Uses
For Texas residents, knowing your Texas area ZIP code affects:
- Insurance rate calculations
- School district assignments
- Real estate values and property taxes
- Access to local services and utilities
Frequently Asked Questions
How many ZIP codes does Texas have?
Texas has over 2,400 active ZIP codes, reflecting its large geographic area and population distribution across urban and rural regions.
What is the ZIP code range for Texas?
Texas ZIP codes range from 73301 to 79999, covering all regions of the state from the Panhandle to the Rio Grande Valley.
Can two cities share the same ZIP code in Texas?
Yes, particularly in rural areas where a single ZIP code may serve multiple small towns or communities sharing a postal facility.
How do I find my ZIP code in Texas?
You can use the USPS ZIP Code Lookup tool online, check recent mail, visit your local post office, or ask neighbors to find your correct Texas ZIP code.
Do Texas ZIP codes affect shipping costs?
Yes, shipping costs within Texas can vary based on ZIP code due to distance zones, delivery difficulty, and regional service considerations.

