ZIP Code 78630: Cedar Park, TX
County: Williamson County
Coordinates: 30.50520, -97.82030
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Cedar Park, TX postal area 78630. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Cedar Park |
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| ZIP Code | 78630 |
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| County | Williamson County |
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| State | TX |
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| Latitude / Longitude | 30.50520, -97.82030 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 78630 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 78630 is commonly represented around 30.50520, -97.82030. These coordinates help identify the general area within Williamson County, TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78630 for mail delivery and general location reference in
Williamson County,
TX.
This ZIP may extend beyond the city core into nearby communities within Williamson County.
Related ZIP Codes (Nearby)
Explore other postal codes near Cedar Park within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78630?
The primary city for this ZIP code is Cedar Park, located in TX.
In which county is 78630 located?
ZIP code 78630 is situated within Williamson County, TX.
What are the coordinates for 78630?
The approximate center point is 30.50520 (Latitude) and -97.82030 (Longitude).
Is ZIP code 78630 active?
This page lists ZIP 78630 as Listed based on the latest refresh date shown above.
Does ZIP 78630 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08