Texas · Blanco

78663 ZIP Code

78663 is associated with Round Mountain, Texas. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.

ZIP details

ZIP code: 78663
City: Round Mountain
State: Texas (TX)
County: Blanco
Timezone: America/Chicago
State sales tax: Varies by state

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Nearby ZIP codes

78662Red Rock, TX 78664Round Rock, TX 78661Prairie Lea, TX 78665Round Rock, TX 78660Pflugerville, TX 78666San Marcos, TX 78659Paige, TX 78667San Marcos, TX

Questions about 78663

What city is ZIP code 78663 in?+

78663 is associated with Round Mountain, Texas in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.

What county is 78663 in?+

Blanco. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.

What timezone is 78663 in?+

America/Chicago. This is the IANA timezone name for the city associated with the ZIP.

Is 78663 a real ZIP code?+

It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.

All ZIP codes Validate a full address