ZIP Code 73840

73840 is one of Oklahoma's ZIP codes, delivering to addresses in Fargo, Ellis County.

City: Fargo
County: Ellis County
State: Oklahoma
Prefix: 738xx

Where this code sits

73840 is part of the 738xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fargo.

Fargo Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73840 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73840

The ZIP codes whose reference points sit closest to 73840.
ZIP code	Distance	Delivers to
ZIP code 73843	8.6 mi	Gage, OK
ZIP code 73801	13 mi	Woodward, OK
ZIP code 73841	14 mi	Fort Supply, OK
ZIP code 73858	16 mi	Shattuck, OK
ZIP code 73857	17 mi	Sharon, OK
ZIP code 73851	19 mi	May, OK
ZIP code 73802	21 mi	Woodward, OK
ZIP code 73832	22 mi	Arnett, 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 73840, plotted from its record coordinates.

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

Scope ZIP code 73840. 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.