Ithaca, NY ZIP Codes
Ithaca, New York has 4 ZIP codes: 2 for street addresses ( and ) and 2 for PO boxes ( and ).
Your street decides which one you use.
Which Ithaca ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Ithaca ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
14851 and 14852 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Ithaca city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Ithaca ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 14850 | street delivery Ithaca |
| 14851 | PO boxes at the Downtown Ithaca post office Downtown Ithaca |
| 14852 | PO boxes at the Ithaca post office Ithaca |
| 14853 | street delivery Ithaca |
Why your mail may say Ithaca when you live outside it
Ithaca ZIP codes also cover Dryden, Danby and Enfield, so a letter addressed to Ithaca can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Tompkins County property records show which city you are in.
Ithaca ZIP code questions
What is the main ZIP code for Ithaca?
14850, the ZIP code of the main Ithaca post office at 757 Warren Rd.
Which Ithaca ZIP codes are for PO boxes only?
14851 and 14852. Mail to them goes to boxes at the post office, not to street addresses.
What county is Ithaca in?
Tompkins County.
ZIP codes for towns near Ithaca
More towns near Ithaca: Clay, Cicero, Perinton, Town of Pittsford, Penfield, Henrietta, Brighton, Town of Webster, Rome.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections