ZIP Code 04637

04637 is one of Maine's ZIP codes, delivering to addresses in Grand Lake Stream, Washington County.

City: Grand Lake Stream
County: Washington County
State: Maine
Prefix: 046xx

Where this code sits

04637 is part of the 046xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grand Lake Stream.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04637 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04637

The ZIP codes whose reference points sit closest to 04637.
ZIP code	Distance	Delivers to
ZIP code 04668	8.8 mi	Princeton, ME
ZIP code 04492	13 mi	Waite, ME
ZIP code 04686	14 mi	Wesley, ME
ZIP code 04694	16 mi	Baileyville, ME
ZIP code 04490	17 mi	Topsfield, ME
ZIP code 04657	22 mi	Meddybemps, ME
ZIP code 04487	24 mi	Springfield, ME
ZIP code 04619	25 mi	Calais, 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 04637, plotted from its record coordinates.

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

Scope ZIP code 04637. 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.