International Falls Minnesota ZIP Codes

International Falls holds a single ZIP code.

Every ZIP code in International Falls

The complete list of International Falls, Minnesota ZIP codes with the county each falls in.
ZIP code	County
56649	Koochiching 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 International Falls codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for International Falls. 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 International Falls ZIP code begins 566. Those first three digits identify the sectional center facility that processes mail for this part of Minnesota. Statewide that range covers 53 ZIP codes, so International Falls accounts for 2% of it.

Every Minnesota ZIP prefix and the region it covers →

Area codes covering International Falls

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

218 Area code 218

International Falls Minnesota area codes in full →

Where International Falls's ZIP codes sit

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

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

Cities near International Falls

The closest places to International Falls with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Ranier Minnesota ZIP codes	2.6 mi	1 ZIP code
Littlefork Minnesota ZIP codes	15 mi	1 ZIP code
Big Falls Minnesota ZIP codes	34 mi	1 ZIP code
Orr Minnesota ZIP codes	45 mi	1 ZIP code
Effie Minnesota ZIP codes	53 mi	1 ZIP code
Baudette Minnesota ZIP codes	55 mi	1 ZIP code
Mizpah Minnesota ZIP codes	59 mi	1 ZIP code
Bigfork Minnesota ZIP codes	59 mi	1 ZIP code

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