If you’re searching for an Austin postal code, you’re in the right place. Whether you’re sending mail, filling out a form, or setting up an online account, knowing the correct ZIP code matters. Find a complete list of all postal codes in Austin, Texas, along with answers to common questions like “what is a postal code?” and “is postal code the same as ZIP code?”

What is a Postal Code?
A postal code is a series of numbers or letters used to identify a specific area for mail delivery. In the United States, it’s called a ZIP code (short for “Zone Improvement Plan”).
So yes — in the USA, postal code = ZIP code. They’re the same thing.
What’s My Postal Code?
If you’re in Austin, your postal code (ZIP code) depends on your neighborhood or street. You can use this guide to find the exact one, or check using your address on the USPS ZIP Code Lookup tool.
Read More: Postal Code for Buffalo, New York

Full List of Austin Postal Codes (ZIP Codes)
Here’s a full list of Austin ZIP codes sorted by area:
| Area / Neighborhood | ZIP Code |
|---|---|
| Downtown Austin | 78701 |
| East Austin | 78702 |
| Central Austin | 78703 |
| West Austin | 78731 |
| South Congress (SoCo) | 78704 |
| Hyde Park | 78751 |
| North Austin | 78758 |
| Mueller | 78723 |
| South Austin | 78745 |
| Zilker | 78704 |
| Barton Hills | 78704 |
| Travis Heights | 78704 |
| Tarrytown | 78703 |
| Oak Hill | 78735 |
| Pflugerville (Austin area) | 78660 |
| Round Rock (part of metro) | 78681 |
| Sunset Valley | 78745 |
| Westlake Hills | 78746 |
| Lakeway | 78734 |
| Wells Branch | 78728 |
| Brushy Creek | 78717 |
| North Burnet | 78727 |
| Tech Ridge Area | 78753 |
| Del Valle (East Austin) | 78617 |
| Circle C Ranch | 78739 |
| Avery Ranch | 78717 |
| Cedar Park (metro area) | 78613 |
| Leander (metro area) | 78641 |
You can use your address or area name to find the exact Austin ZIP code.
Read More: San Diego Postal Code – Full ZIP Code List
Is postal code the same as ZIP code?
Yes, in the U.S., postal code and ZIP code mean the same thing.
What is a postal code used for?
It helps mail carriers and delivery services find your location quickly. It’s also used for billing, shipping, and signing up on websites.
How can I find my Austin postal code?
Look it up by address using tools like USPS ZIP Finder or use the list above based on your area.
Final Tip
Always double-check your ZIP code when mailing something or filling out online forms. A small mistake can cause delays in delivery or registration issues.
