North Tonawanda, NY ZIP Code
North Tonawanda, New York has one ZIP code: .
Mail addressed to North Tonawanda covers nearby places too.
Where the 14120 ZIP code reaches
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Dashed line: North Tonawanda city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in North Tonawanda
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?
Why your mail may say North Tonawanda when you live outside it
North Tonawanda ZIP codes also cover Wheatfield and Pendleton, so a letter addressed to North Tonawanda can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Niagara County property records show which city you are in.
North Tonawanda ZIP code questions
What is the main ZIP code for North Tonawanda?
14120, the ZIP code of the main North Tonawanda post office at 141 Goundry St.
What county is North Tonawanda in?
Niagara County.
ZIP codes for towns near North Tonawanda
More towns near North Tonawanda: Town of Lancaster, West Seneca, Town of Hamburg, Town of Greece, Henrietta, Rochester, Brighton, Irondequoit, Town of Pittsford.
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