ZIP Code 78657: Marble Falls, TX
County: Burnet
Coordinates: 30.53730, -98.37370
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78657, serving Marble Falls in TX. It lies in Burnet and supports delivery, planning, and address verification.
| Primary City | Marble Falls |
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| ZIP Code | 78657 |
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| County | Burnet |
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| State | TX |
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| Latitude / Longitude | 30.53730, -98.37370 |
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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 78657 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 78657 is approximately 30.53730 (latitude) and -98.37370 (longitude). This location sits within Burnet, contributing to regional planning across TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78657 for mail delivery and general location reference in
Burnet,
TX.
This ZIP may extend beyond the city core into nearby communities within Burnet.
Related ZIP Codes (Nearby)
Explore other postal codes near Marble Falls within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78657?
The primary city for this ZIP code is Marble Falls, located in TX.
In which county is 78657 located?
ZIP code 78657 is situated within Burnet, TX.
What are the coordinates for 78657?
The approximate center point is 30.53730 (Latitude) and -98.37370 (Longitude).
Is ZIP code 78657 active?
This page lists ZIP 78657 as Listed based on the latest refresh date shown above.
Does ZIP 78657 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