ACS Dol Customer Service Numbers Home» ACS» ACS Dol Division Of Federal Employees’ Compensation (DFEC): +1 (844) 493-1966 Division Of Energy Employees Occupational Illness Compensation (DEEOIC): +1 (866) 272-2682 Division Of Coal Mine Workers’ Compensation (DCMWC): +1 (800) 638-7072 Technical Issues Related To EDI Submission: +1 (800) 987-6717 Corporate Address: U.S. Department of Labor | 200 Constitution Ave NW, Washington, DC 20210Problem Solution Problem Solution: ACS Dol has provided answer to all possible quires on their web portal that covers common issues & problems, instructions, guidance, etc.How To Contact ACS Dol Via Message?Contact us: You can write a text message to ACS Dol for any issue through the contact us page of owcpmed.dol.gov/. Login To Your AccountLogin/Sign in: You can directly login to your account from hereTo Create Account on ACS DolSign Up/Register Account: If you are not a registered user, you can create an account.