78682 ZIP Code — Round Rock, TX
Williamson County, Texas
ZIP code 78682 is located in Round Rock, Texas, within Williamson County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512/737.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
78682 ZIP code map
Cities in ZIP code 78682
Below are the cities the US Postal Service accepts for ZIP code 78682. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Round Rock | Acceptable |
| Round Rock | Preferred |
Nearby ZIP codes
78665 Round Rock (2.2 mi)
78664 Round Rock (2.5 mi)
78681 Round Rock (3.5 mi)
78681 Round Rock (3.5 mi)
78728 Austin (4.7 mi)
78717 Austin (6.1 mi)
78660 Pflugerville (6.7 mi)
78729 Austin (6.7 mi)
78727 Austin (6.8 mi)
78634 Hutto (7.5 mi)
78613 Cedar Park (8.8 mi)
78758 Austin (9.3 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 48 |
| County FIPS | 491 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 30.5155 |
| Longitude | -97.6692 |
| Timezone | Central (CT) |
| Area code | 512/737 |