Försäkringskassan(National Social Insurance Office)Box 1164S-621 22 VisbySwedenPhone: +46 498 200 700Fax: +46 498 200 710
You can access the totalization agreement online at the official website of the U.S. Social Security Administration.If you live in the United States and wish to apply for Swedish pension or retirement benefits, visit or contact your nearest U.S. Social Security office. If you've already applied to collect Swedish pension or retirement benefits but have questions about payments or service, contact the National Social Insurance Office in Sweden by email or at the address and number indicated in the box on the right.The income tax treaty between Sweden and the U.S. is available at the website of the Internal Revenue Service.