ZIP Code 73834

73834 is one of Oklahoma's ZIP codes, delivering to addresses in Buffalo, Harper County.

City: Buffalo
County: Harper County
State: Oklahoma
Prefix: 738xx

Where this code sits

73834 is part of the 738xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Buffalo.

Buffalo Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73834 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73834

The ZIP codes whose reference points sit closest to 73834.
ZIP code	Distance	Delivers to
ZIP code 73855	19 mi	Rosston, OK
ZIP code 73841	19 mi	Fort Supply, OK
ZIP code 73851	20 mi	May, OK
ZIP code 73848	21 mi	Laverne, OK
ZIP code 73842	24 mi	Freedom, OK
ZIP code 67127	24 mi	Protection, KS
ZIP code 67831	26 mi	Ashland, KS
ZIP code 73802	26 mi	Woodward, 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 73834, plotted from its record coordinates.

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

Scope ZIP code 73834. 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.