ZIP Code 74027

74027 is one of Oklahoma's ZIP codes, delivering to addresses in Delaware, Nowata County.

City: Delaware
County: Nowata County
State: Oklahoma
Prefix: 740xx

Where this code sits

74027 is part of the 740xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Delaware.

Delaware Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 74027 delivers to without sharing its boundary.

ZIP codes nearest 74027

The ZIP codes whose reference points sit closest to 74027.
ZIP code	Distance	Delivers to
ZIP code 74048	6.1 mi	Nowata, OK
ZIP code 74042	6.9 mi	Lenapah, OK
ZIP code 74072	14 mi	S Coffeyville, OK
ZIP code 74083	14 mi	Wann, OK
ZIP code 74004	16 mi	Bartlesville, OK
ZIP code 74080	17 mi	Talala, OK
ZIP code 74006	17 mi	Bartlesville, OK
ZIP code 74029	18 mi	Dewey, OK

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 74027, plotted from its record coordinates.

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

Scope ZIP code 74027. 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.