Sending a postcard to Slovenia
Facts checked
Mailing a postcard from the US to Slovenia costs $1.75: one USPS Global Forever stamp, the same price as every other country. USPS has charged $1.75 since July 12, 2026. With Paper Plane Post, $7 covers the printed 4×6 photo postcard, the postage and the mailing. We print your card in the US and mail it from there, and our delivery estimate is 1–3 weeks to Slovenia. USPS publishes no delivery standard for international mail, and international postcards can’t be tracked.
How to address it
Mail to Slovenia uses this layout. Write the country last, in capitals.
Recipient name
Street address
SI-SI-4000 CITY
SLOVENIA
- Postal code: optional, written like SI-4000, SI-1001, SI-2500.
What USPS says about Slovenia
- No customs form, unless the mail holds goods.
USPS lists no prohibited items for Slovenia.
USPS lists no service disruptions for Slovenia, as of .
See what it costs to make one yourself, with a printed card and a stamp.
Questions
How much does it cost to send a postcard to Slovenia from the US?
$1.75 for one USPS Global Forever stamp, the same as every other country. With Paper Plane Post it’s $7 for the printed photo postcard, the postage and the mailing.
How long does a postcard take to get to Slovenia?
USPS publishes no delivery standard for international mail. Paper Plane Post’s estimate is 1–3 weeks to Slovenia.
Can I track a postcard to Slovenia?
No. USPS offers no tracking on international postcards, so nobody can track one, whether you mail it yourself or Paper Plane Post does.
Does a postcard to Slovenia need a customs form?
No. USPS requires no customs form for mail to Slovenia unless it holds goods, and a postcard with a message on it is correspondence.
How do I address a postcard to Slovenia?
Write it on separate lines in this order: Recipient name, then Street address, then SI-SI-4000 CITY. Put SLOVENIA on the last line in capitals.