Milltown, Wisconsin 54858 | United States Guide
Find Milltown ZIP Code 54858, standard international address format, B2B shipping considerations, customs notes, and a practical dispatch checklist.
Polk · Wisconsin Postal Codes
Overview
Milltown is a village in Polk County, Wisconsin, United States, associated with postal code 54858. As a small local community rather than a major metropolitan or industrial hub, shipment handling generally depends on accurate last-mile addressing and carrier service coverage. This page provides a practical overview of the location, postal code, international address format, business logistics considerations, shipping documentation, and pre-dispatch verification steps for Milltown.
Postal Code
The postal code for Milltown is 54858. For international mail and courier shipments, the ZIP Code must be used together with the recipient’s full name, complete delivery address, telephone number, and country name. The five-digit ZIP Code is a United States postal format; a ZIP+4 extension may be added when the recipient or carrier provides it, but it should not be invented.
Quick Location Information
| Area / Place | Milltown |
|---|---|
| City | Polk |
| State/Province | Wisconsin |
| Postal Code | 54858 |
| Country | United States |
| Country Code | US |
For postal addressing, the locality line should normally use Milltown and the state abbreviation WI. Polk is the county reference associated with the location and should not replace the delivery locality in the city line.
Location — Where Is Milltown?
Milltown is a village in Polk County in northwestern Wisconsin, United States. The community is located within a predominantly small-town and residential setting, with surrounding rural and agricultural areas rather than a dense urban or major warehouse concentration. Its regional freight profile is therefore more dependent on consolidated line-haul services and local delivery coverage than on direct international gateway operations.
International consignments addressed to Milltown normally enter the United States through a national or regional gateway selected by the carrier, pass through customs processing where required, and then move through domestic transportation to the final delivery network. Correctly identifying Milltown as the locality, Wisconsin as the state, and 54858 as the ZIP Code helps reduce address-validation and last-mile routing exceptions.
Address Format
How to Write the Address
- Place the recipient’s full legal or operational name on the first line.
- Add the company name, department, suite, or room number when applicable.
- Write the complete street number and street name. A PO Box should only be used when the recipient has confirmed that postal delivery is suitable.
- Use the locality line as Milltown, WI 54858. The two-letter state abbreviation WI is the standard postal form for Wisconsin.
- Place UNITED STATES as the final line for international mail. The destination country should be written in English capital letters or another clearly accepted international format.
- For courier or freight bookings, include the recipient’s telephone number and any confirmed delivery instructions outside the postal address block.
International Address Example
Recipient Name
Company Name
123 Example Street, Suite 200
Milltown, WI 54858
UNITED STATES
The street name and number above are illustrative placeholders, not a verified delivery address. The actual street address, company details, and recipient contact information must be confirmed before dispatch. Polk County may be included in internal routing or commercial documentation when required, but it should not normally be inserted as an additional city line in a standard United States postal address.
One-line format: Milltown, WI 54858, United States
Business & Logistics
Typical B2B Shipment Categories
- Machine components, tools, and replacement parts
- Electrical and electronic components
- Product samples and prototypes
- Industrial consumables and maintenance supplies
- Apparel, textiles, and packaged consumer goods
- Commercial documents, contracts, and product literature
- Small parcels supporting local distributors or service operations
Operational Considerations
- International express is commonly used for documents, samples, and urgent small parcels; air freight is more suitable when shipment volume, weight, or packaging requirements exceed standard courier handling.
- Less-than-container-load or full-container ocean freight may be used for larger commercial cargo, followed by domestic trucking or parcel delivery to Milltown after import release.
- Because Milltown is a small community rather than an international gateway, the final leg may be transferred from a carrier hub to a regional delivery route. Rural-route coverage, access restrictions, and receiver availability should be checked before booking.
- Commercial invoices should state an accurate description, quantity, value, currency, country of origin, and transaction terms. The customs classification and any required permits should be reviewed for the actual commodity.
- Courier shipments should use a deliverable street address where physical delivery is required. A PO Box may not be accepted by every commercial carrier or for every service type.
Postal Code FAQ
What is the postal code of Milltown?
The postal code associated with Milltown is 54858.
What state is Milltown in?
Milltown is in Wisconsin, United States, within Polk County.
How should an international package be addressed to Milltown?
Use the recipient name, company if applicable, complete street address, “Milltown, WI 54858,” and “UNITED STATES” on the final line. The recipient’s telephone number should also be provided to the carrier.
Does postal code 54858 belong to Milltown, Wisconsin?
Yes. The supplied location association identifies 54858 with Milltown, Wisconsin. The delivery address should still be validated against the recipient’s exact street address before shipment.
What extra information is needed for a commercial shipment?
A commercial shipment generally requires a complete invoice, accurate commodity description, value, origin, classification information where applicable, recipient contact details, and any importer or broker information required for customs processing. Requirements vary by commodity, origin, value, and transport method.
Address & Shipping Checklist
- Recipient’s full name and department, if applicable
- Company or organization name, if applicable
- Complete street number, street name, unit, suite, or building information
- Locality or place name: Milltown
- Administrative reference: Polk County, where required by the booking or commercial document
- State: Wisconsin or the standard abbreviation WI
- Postal code: 54858
- Country: United States; use country code US in electronic booking fields
- Recipient telephone number and operational email address
- Commercial invoice, packing list, customs description, value, origin, and importer or customs reference details where required
Summary
Milltown uses ZIP Code 54858, and a standard international address should identify the recipient, complete street address, Milltown, WI 54858, and UNITED STATES. As a small-community destination, final-mile routing and carrier acceptance depend on precise address and contact details.
The exact street address, postal locality, delivery access, and customs information should be confirmed with the recipient before the shipment is tendered.
Data Sources & Provenance
The postal-format and international-address guidance is based on official United States postal information, international addressing principles, and United States customs guidance. The location and ZIP Code association are presented within the supplied geographic scope and should be cross-validated against the recipient’s exact delivery address before dispatch.
Reviewed by: International Logistics Operations Team
Review focus: United States ZIP Code, address validation and international shipment routing
Last reviewed: October 2026
Review focus: United States ZIP Code, address validation and international shipment routing
Last reviewed: October 2026