ZIP Code 04855

04855 is one of Maine's ZIP codes, delivering to addresses in Port Clyde, Knox County.

City: Port Clyde
County: Knox County
State: Maine
Prefix: 048xx

Where this code sits

04855 is part of the 048xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port Clyde.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04855 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04855

The ZIP codes whose reference points sit closest to 04855.
ZIP code	Distance	Delivers to
ZIP code 04860	2.2 mi	Tenants Harbor, ME
ZIP code 04563	4.2 mi	Cushing, ME
ZIP code 04547	5.5 mi	Friendship, ME
ZIP code 04859	7.0 mi	Spruce Head, ME
ZIP code 04858	9.6 mi	South Thomaston, ME
ZIP code 04564	11 mi	Round Pond, ME
ZIP code 04551	11 mi	Bremen, ME
ZIP code 04861	11 mi	Thomaston, 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 04855, plotted from its record coordinates.

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

Scope ZIP code 04855. 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.