Hutto Texas ZIP Codes

Hutto holds a single ZIP code.

Every ZIP code in Hutto

The complete list of Hutto, Texas ZIP codes with the county each falls in.
ZIP code	County
78634	Williamson County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Hutto codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Hutto. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Hutto ZIP code begins 786. Those first three digits identify the sectional center facility that processes mail for this part of Texas. Statewide that range covers 75 ZIP codes, so Hutto accounts for 1% of it.

Every Texas ZIP prefix and the region it covers →

Area codes covering Hutto

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Hutto occupies.

Hutto Texas area codes in full →

Where Hutto's ZIP codes sit

Each point is one Hutto ZIP code, plotted from its record coordinates.

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

Cities near Hutto

The closest places to Hutto with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Taylor Texas ZIP codes	7.1 mi	1 ZIP code
Round Rock Texas ZIP codes	7.2 mi	6 ZIP codes
Pflugerville Texas ZIP codes	7.3 mi	2 ZIP codes
Weir Texas ZIP codes	9.7 mi	1 ZIP code
Coupland Texas ZIP codes	11 mi	1 ZIP code
Georgetown Texas ZIP codes	13 mi	4 ZIP codes
Manor Texas ZIP codes	13 mi	1 ZIP code
Granger Texas ZIP codes	14 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.