How can I get divored if I dont know where he is at?

More than likely you are still married to your husband. The fact that he may have married someone else later does not effect the status of your marriage. It would help if you could track him down, the courts like personal service in divorce cases. The Internet is a great place to start. Goggle his name. The services of a private detective are often used to locate a missing spouse. If you know his social security number do a search on the social security death benefit web site you may discover that you are widow. If none of the above are helpful, you can file a motion with the court to allow service by publication. Normally the courts will allow service by publication only as a last resort. Be patient, you will get divorced.

File for divorce and try to get the court to order service by publication. Check the divorce records where he lives. He could have divorced you.

You can serve the ex by publishing notice.

You can use last known address and request notice by publication.