ZIP Code 04903

04903 is one of Maine's ZIP codes, delivering to addresses in Waterville, Kennebec County.

City: Waterville
County: Kennebec County
State: Maine
Prefix: 049xx

Where this code sits

04903 is part of the 049xx range, the group of codes handled by one mail processing centre. Waterville is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Waterville page.

Waterville Maine ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04903 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04903

The ZIP codes whose reference points sit closest to 04903.
ZIP code	Distance	Delivers to
ZIP code 04963	2.6 mi	Oakland, ME
ZIP code 04901	4.7 mi	Waterville, ME
ZIP code 04962	6.2 mi	North Vassalboro, ME
ZIP code 04937	6.9 mi	Fairfield, ME
ZIP code 04978	7.3 mi	Smithfield, ME
ZIP code 04989	8.1 mi	Vassalboro, ME
ZIP code 04975	8.1 mi	Shawmut, ME
ZIP code 04918	8.7 mi	Belgrade Lakes, ME

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 04903, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 04903. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.