PA AAP ECELS 661 Moore Road, Suite 200, King of Prussia, PA 19406 800/243-2357 484/446-3003 484/446-3255 (fax)
* As of April 2023 the above address has changed, and we have a new mailing address; Please make note of the new address in your records. We welcome any questions you may have about ECELS, our content, how to use this website, or to request advice. We will respond to your request within 24 hours of the next business day