ZIP Code 66840

66840 is one of Kansas's ZIP codes, delivering to addresses in Burns, Marion County.

City: Burns
County: Marion County
State: Kansas
Prefix: 668xx

Where this code sits

66840 is part of the 668xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Burns.

Burns Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66840 delivers to without sharing its boundary.

620 Area code 620

ZIP codes nearest 66840

The ZIP codes whose reference points sit closest to 66840.
ZIP code	Distance	Delivers to
ZIP code 66851	9.1 mi	Florence, KS
ZIP code 66843	9.8 mi	Cedar Point, KS
ZIP code 66842	12 mi	Cassoday, KS
ZIP code 66866	14 mi	Peabody, KS
ZIP code 67041	15 mi	Elbing, KS
ZIP code 67123	15 mi	Potwin, KS
ZIP code 66862	17 mi	Matfield Green, KS
ZIP code 66861	18 mi	Marion, KS

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 66840, plotted from its record coordinates.

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

Scope ZIP code 66840. 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.