Ketchum Idaho ZIP Codes

Ketchum holds a single ZIP code.

Every ZIP code in Ketchum

The complete list of Ketchum, Idaho ZIP codes with the county each falls in.
ZIP code	County
83340	Blaine County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Ketchum codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Ketchum. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Ketchum ZIP code begins 833. Those first three digits identify the sectional center facility that processes mail for this part of Idaho. Statewide that range covers 39 ZIP codes, so Ketchum accounts for 3% of it.

Every Idaho ZIP prefix and the region it covers →

Area codes covering Ketchum

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Ketchum occupies.

Ketchum Idaho area codes in full →

Where Ketchum's ZIP codes sit

Each point is one Ketchum ZIP code, plotted from its record coordinates.

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

Cities near Ketchum

The closest places to Ketchum with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Sun Valley Idaho ZIP codes	1.9 mi	2 ZIP codes
Hailey Idaho ZIP codes	13 mi	1 ZIP code
Bellevue Idaho ZIP codes	16 mi	1 ZIP code
Fairfield Idaho ZIP codes	32 mi	1 ZIP code
Carey Idaho ZIP codes	34 mi	1 ZIP code
Clayton Idaho ZIP codes	40 mi	1 ZIP code
Mackay Idaho ZIP codes	41 mi	1 ZIP code
Richfield Idaho ZIP codes	45 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.