ZIP Code 50139

50139 is one of Iowa's ZIP codes, delivering to addresses in Lacona, Warren County.

City: Lacona
County: Warren County
State: Iowa
Prefix: 501xx

Where this code sits

50139 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lacona.

Lacona Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50139 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50139

The ZIP codes whose reference points sit closest to 50139.
ZIP code	Distance	Delivers to
ZIP code 50145	6.0 mi	Liberty Center, IA
ZIP code 50166	7.1 mi	Milo, IA
ZIP code 50062	7.6 mi	Melcher Dallas, IA
ZIP code 50163	7.6 mi	Melcher Dallas, IA
ZIP code 50272	9.7 mi	Williamson, IA
ZIP code 50151	11 mi	Lucas, IA
ZIP code 50057	12 mi	Columbia, IA
ZIP code 50001	12 mi	Ackworth, IA

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 50139, plotted from its record coordinates.

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

Scope ZIP code 50139. 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.