Zip Code ReportWilliamson County ZIP codes
Every ZIP code in Williamson County, Texas, with the city it serves. Open any one for a free neighborhood report.
29 ZIP codes · Williamson County, TX · FIPS 48491
ZIP codes
29 in this county76511Bartlett76527Florence76530Granger76537Jarrell76573Schwertner76574Taylor76578Thrall78613Cedar Park78615Coupland78626Georgetown78627GeorgetownPO box78628Georgetown78630Cedar ParkPO box78633Georgetown78634Hutto78641Leander78642Liberty Hill78646LeanderPO box78651Mc Neilunique78664Round Rock78665Round Rock78673Walburgunique78674Weir78680Round RockPO box78681Round Rock78682Round Rockunique78683Round RockPO box78717Austin78729Austin
8 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.