Zip code 78683: Round Rock, Texas
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 78683
78683 is a non-residential zip code for Round Rock, Texas (Williamson County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 78683, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Round Rock
- State
- Texas
- County
- Williamson County
- Center point
- 30.6568° N, 97.6026° W
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- PO box or unique zip
Zip codes near 78683
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 78680 | Round Rock, TX · PO box | 0 mi | — |
| 78682 | Round Rock, TX · PO box | 0 mi | — |
| 78626 | Georgetown, TX | 0.9 mi | $100,431 |
| 78674 | Weir, TX | 1 mi | — |
| 78627 | Georgetown, TX · PO box | 4.7 mi | — |
| 78673 | Walburg, TX · PO box | 5.9 mi | — |
| 78634 | Hutto, TX | 7.5 mi | $114,426 |
| 78665 | Round Rock, TX | 7.7 mi | $122,680 |
| 78681 | Round Rock, TX | 10 mi | $137,819 |
| 78628 | Georgetown, TX | 11 mi | $125,635 |
| 78633 | Georgetown, TX | 11 mi | $100,936 |
| 78664 | Round Rock, TX | 11 mi | $87,417 |
Questions about 78683
What city is zip code 78683?
78683 is assigned to Round Rock, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 78683 in?
78683 is in Williamson County, Texas.
What time zone is 78683 in?
78683 is in Central Time.
What zip codes are near 78683?
The closest zip codes to 78683 are 78680, 78682, 78626, 78674, 78627.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 78683, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.