ZIP Code 20677

20677 is one of Maryland's ZIP codes, delivering to addresses in Port Tobacco, Charles County.

City: Port Tobacco
County: Charles County
State: Maryland
Prefix: 206xx

Where this code sits

20677 is part of the 206xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Port Tobacco.

Port Tobacco Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20677 delivers to without sharing its boundary.

ZIP codes nearest 20677

The ZIP codes whose reference points sit closest to 20677.
ZIP code	Distance	Delivers to
ZIP code 20604	3.3 mi	Waldorf, MD
ZIP code 20646	3.5 mi	La Plata, MD
ZIP code 20693	3.6 mi	Welcome, MD
ZIP code 20611	3.9 mi	Bel Alton, MD
ZIP code 20632	5.6 mi	Faulkner, MD
ZIP code 20643	5.8 mi	Ironsides, MD
ZIP code 20675	6.2 mi	Pomfret, MD
ZIP code 20695	7.3 mi	White Plains, MD

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 20677, plotted from its record coordinates.

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

Scope ZIP code 20677. 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.