Georgetown Texas ZIP Codes
Georgetown holds 4 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Georgetown
| ZIP code | County |
|---|---|
| 78626 | Williamson County |
| 78627 | Williamson County |
| 78628 | Williamson County |
| 78633 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Georgetown codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Georgetown. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Georgetown 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 Georgetown accounts for 5% of it.
Every Texas ZIP prefix and the region it covers →
Area codes covering Georgetown
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 Georgetown occupies.
Georgetown Texas area codes in full →
Where Georgetown's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Georgetown
| City | Distance | ZIP codes |
|---|---|---|
| Weir Texas ZIP codes | 6.4 mi | 1 ZIP code |
| Round Rock Texas ZIP codes | 10 mi | 6 ZIP codes |
| Jarrell Texas ZIP codes | 11 mi | 1 ZIP code |
| Leander Texas ZIP codes | 12 mi | 3 ZIP codes |
| Liberty Hill Texas ZIP codes | 12 mi | 1 ZIP code |
| Hutto Texas ZIP codes | 13 mi | 1 ZIP code |
| Cedar Park Texas ZIP codes | 13 mi | 2 ZIP codes |
| Florence Texas ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.