ZIP Code 63458

63458 is one of Missouri's ZIP codes, delivering to addresses in Newark, Knox County.

City: Newark
County: Knox County
State: Missouri
Prefix: 634xx

Where this code sits

63458 is part of the 634xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newark.

Newark Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63458 delivers to without sharing its boundary.

660 Area code 660

ZIP codes nearest 63458

The ZIP codes whose reference points sit closest to 63458.
ZIP code	Distance	Delivers to
ZIP code 63464	6.0 mi	Plevna, MO
ZIP code 63434	7.6 mi	Bethel, MO
ZIP code 63447	9.0 mi	La Belle, MO
ZIP code 63446	10 mi	Knox City, MO
ZIP code 63452	11 mi	Lewistown, MO
ZIP code 63460	13 mi	Novelty, MO
ZIP code 63451	13 mi	Leonard, MO
ZIP code 63469	13 mi	Shelbyville, 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 63458, plotted from its record coordinates.

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

Scope ZIP code 63458. 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.