ZIP Code 78645

78645 is one of Texas's ZIP codes, delivering to addresses in Leander, Travis County.

City: Leander
County: Travis County
State: Texas
Prefix: 786xx

Where this code sits

78645 is part of the 786xx range, the group of codes handled by one mail processing centre. Leander is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Leander page.

Leander Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78645 delivers to without sharing its boundary.

ZIP codes nearest 78645

The ZIP codes whose reference points sit closest to 78645.
ZIP code	Distance	Delivers to
ZIP code 78734	5.6 mi	Austin, TX
ZIP code 78732	6.4 mi	Austin, TX
ZIP code 78669	6.6 mi	Spicewood, TX
ZIP code 78738	8.0 mi	Austin, TX
ZIP code 78726	8.1 mi	Austin, TX
ZIP code 78613	9.6 mi	Cedar Park, TX
ZIP code 78630	9.6 mi	Cedar Park, TX
ZIP code 78733	10 mi	Austin, TX

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 78645, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 78645. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.