ZIP Code 78664 — Round Rock, TX
ZIP code 78664 serves Round Rock, Texas, within Williamson County. It is part of area code 512, with population 57,806 and mean income of $76,098.
Location details
- City
- Round Rock
- County
- Williamson County
- State
- Texas (TX)
- Area code
- 512
- Population
- ~57,806
- Median household income
- $76,098
- Current local time
- 8:45 PM
- Timezone
- Central Time (UTC-5)
Related ZIP codes in TX
Open state pageAbout ZIP code 78664
ZIP code 78664 is a Standard ZIP in Round Rock, Texas. It is linked to area code 512 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.
The location coordinates are 30.501930, -97.647250, which can later be displayed on a map for better geographic context.
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ZIP 78664 · Round Rock, TX