Lewiston, ME ZIP Codes
Lewiston, Maine has 3 ZIP codes: for street addresses and and for PO boxes.
Mail addressed to Lewiston covers nearby places too.
Where the 04240 ZIP code reaches
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04241 and 04243 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Lewiston city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Lewiston
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?
Lewiston PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 04240 | street delivery Lewiston |
| 04241 | PO boxes at the South Lewiston post office South Lewiston |
| 04243 | PO boxes at the Lewiston post office Lewiston |
Lewiston ZIP code questions
What is the main ZIP code for Lewiston?
04240, the ZIP code of the main Lewiston post office at 49 Ash St.
Which Lewiston ZIP codes are for PO boxes only?
04241 and 04243. Mail to them goes to boxes at the post office, not to street addresses.
What county is Lewiston in?
Androscoggin County.
ZIP codes for towns near Lewiston
More towns near Lewiston: Town of Derry, Haverhill, Salem, Gloucester, Methuen, Lawrence, North Andover, Beverly, Town of Andover.
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