Postal reference / 56620

56620 ZIP code lookup

56620 is not in our postal reference dataset. A missing record does not by itself prove that the code is invalid, so check it below and verify with USPS if you were given it as part of an address.

No match in this reference dataset

The 566 prefix is in use: the dataset records 53 ZIP codes starting with 566, all in Minnesota. 56620 itself may be a newer assignment, a PO Box or unique ZIP not carried by GeoNames, or a number that has never been assigned. Only USPS can confirm which.

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ZIP codes that start with 566

Recorded codes in Minnesota with the same three-digit prefix.