ZIP Code 63377

63377 is one of Missouri's ZIP codes, delivering to addresses in Silex, Lincoln County.

City: Silex
County: Lincoln County
State: Missouri
Prefix: 633xx

Where this code sits

63377 is part of the 633xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Silex.

Silex Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63377 delivers to without sharing its boundary.

ZIP codes nearest 63377

The ZIP codes whose reference points sit closest to 63377.
ZIP code	Distance	Delivers to
ZIP code 63387	4.9 mi	Whiteside, MO
ZIP code 63344	8.9 mi	Eolia, MO
ZIP code 63379	8.9 mi	Troy, MO
ZIP code 63349	11 mi	Hawk Point, MO
ZIP code 63370	11 mi	Olney, MO
ZIP code 63343	12 mi	Elsberry, MO
ZIP code 63362	13 mi	Moscow Mills, MO
ZIP code 63381	14 mi	Truxton, MO

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 63377, plotted from its record coordinates.

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

Scope ZIP code 63377. 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.