Mailing Addresses and Phone Numbers
Sending to a Location without Knowing the Specific Employee
Please use the addresses listed below. At headquarters, we use one address for all regular mail and specific building addresses for packages. In other locations, we use one address for both purposes.
- HQ standard postal mailing address and main phone number
- HQ overnight delivery addresses
- Regional Offices Across the Nation
- Office of Research and Development Facilities
- National Laboratories
- Cincinnati and Research Triangle Park
- Finance Centers
HQ Standard Postal Mailing Address
Environmental Protection Agency
1200 Pennsylvania Avenue, N.W.
Washington, DC 20460
To send a letter to a particular EPA organization, add the name of the organization and the mail code designation for that office to the address above. The organization name and mail code designation should be listed below "Environmental Protection Agency" and above "1200 Pennsylvania Avenue, N.W."
Mail Codes for EPA HQ Offices
| EPA Headquarters Office | Mail Code |
|---|---|
| Office of the Administrator | 1101A |
| Office of Air and Radiation | 6101A |
| Office of Chemical Safety and Pollution Prevention | 7101M |
| Office of the Chief Financial Officer | 2710A |
| Office of Enforcement and Compliance Assurance | 2201A |
| Office of General Counsel | 2310A |
| Office of the Inspector General | 2410T |
| Office of International and Tribal Affairs | 2610T |
| Office of Land and Emergency Management | 5101T |
| Office of Policy | 1804A |
| Office of Mission Support | 3101A |
| Office of Research and Development | 8101A |
| Office of Water | 4101M |
EPA HQ Main Telephone Number
(202) 564-4700
HQ Overnight Delivery Addresses
Main HQ Locations
USEPA William Jefferson Clinton Building North (WJC North)
1200 Pennsylvania Avenue N.W.
Washington, DC 20004
USEPA William Jefferson Clinton Building South (WJC South)
1200 Pennsylvania Avenue N.W.
Washington, DC 20004
USEPA William Jefferson Clinton West Building (WJC West)
1301 Constitution Avenue N.W.
Washington, DC 20004
USEPA William Jefferson Clinton East Building (WJC East)
1201 Constitution Avenue N.W.
Washington, DC 20004
USEPA Ronald Reagan Building (RRB)
1300 Pennsylvania Avenue N.W.
Washington, DC 20004
Other HQ Locations
Environmental Protection Agency
Environmental Science Center (ESC)
701 Mapes Road
Fort Meade, MD 20755-5350
Regional Offices Across the Nation
Region 1 (CT, MA, ME, NH, RI, VT)
Environmental Protection Agency
5 Post Office Square - Suite 100
Boston, MA 02109-3912
Phone: (617) 918-1111
Fax: (617) 918-1809
Toll free: (888) 372-7341
Region 2 (NJ, NY, PR, VI)
Environmental Protection Agency
290 Broadway
New York, NY 10007-1866
Phone: (212) 637-5000
Fax: (212) 637-3526
Region 3 (DC, DE, MD, PA, VA, WV)
Environmental Protection Agency
Four Penn Center
1600 JFK Blvd.
Philadelphia, PA 19103-2029
Phone: (215) 814-5000
Fax: (215) 814-5103
Toll free: (800) 438-2474
Region 4 (AL, FL, GA, KY, MS, NC, SC, TN)
Environmental Protection Agency
Atlanta Federal Center
61 Forsyth Street, SW
Atlanta, GA 30303-3104
Phone: (404) 562-9900
Fax: (404) 562-8174
Toll free: (800) 241-1754
Region 5 (IL, IN, MI, MN, OH, WI)
Environmental Protection Agency
77 West Jackson Boulevard
Chicago, IL 60604-3507
Phone: (312) 353-2000
Fax: (312) 353-4135
Toll free: (800) 621-8431
Region 6 (AR, LA, NM, OK, TX)
Environmental Protection Agency
1201 Elm Street, Suite 500
Dallas, TX 75270
Phone: (214) 665-2200
Toll free: (800) 887-6063
Region 7 (IA, KS, MO, NE)
Environmental Protection Agency
11201 Renner Blvd.
Lenexa, KS 66219
Phone: (913) 551-7003
Toll free: (800) 223-0425
Region 8 (CO, MT, ND, SD, UT, WY)
Environmental Protection Agency
1595 Wynkoop St.
Denver, CO 80202-1129
Phone: (303) 312-6312
Fax: (303) 312-6339
Toll free: (800) 227-8917
Email: r8eisc@epa.gov
Region 9 (AZ, CA, HI, NV, GU, AS, MP)
Environmental Protection Agency
75 Hawthorne Street
San Francisco, CA 94105
Phone: (415) 947-8000
(866) EPA-WEST (toll free in Region 9)
Fax: (415) 947-3553
Email: r9.info@epa.gov
Region 10 (AK, ID, OR, WA)
Environmental Protection Agency
1200 Sixth Avenue, Suite 155
Seattle, WA 98101
Phone: (206) 553-1200
(800) 424-4372 (toll free in Region 10)
Fax: (206) 553-2955
Toll free: (800) 424-4372
Office of Research and Development Facilities
| Research Center/Office/Division | Address | Phone Number |
|---|---|---|
| US EPA Office of Research and Development (ORD) - main office | 1200 Pennsylvania Avenue, NW Mail Code: 8101R Washington, DC 20460 | (202) 564-6620 |
| US EPA Center for Computational Toxicology and Exposure (CCTE) - main office | Mail Code: D143-02 Research Triangle Park, NC 27711 | (919) 541-4219 |
| Mail Code: D143-02 Research Triangle Park, NC 27711 | (919) 541-4219 | |
| Mail Code: E205-09 Research Triangle Park, NC 27711 | (919) 541-4219 | |
| 6201 Congdon Boulevard Duluth, MN 55804 | (218) 529-5016 | |
| Mail Code: D143-02 Research Triangle Park, NC 27711 | (919) 541-4219 | |
| US EPA Center for Environmental Measurement and Modeling (CEMM) - main office | Mail Code: D305-01 Research Triangle Park, NC 27711 | (919) 541-2106 |
| Mail Code: E343-04 Research Triangle Park, NC 27711 | (919) 541-2822 | |
| 27 Tarzwell Drive Narragansett, RI 02882 | (401) 782-3001 | |
| Mail Code: E205-01 Research Triangle Park, NC 27711 | (919) 541-9733 | |
| 980 College Station Road Athens, GA 30605-2700 | (706) 355-8005 | |
| 1 Sabine Island Drive Gulf Breeze, FL 32561 | (850) 934-9200 | |
| 26 West Martin Luther King Dr. Mail Code: 587 Cincinnati, OH 45268 | (513) 569-7341 | |
| US EPA Center for Environmental Solutions and Emergency Response (CESER) - main office | 26 W. Martin Luther King Dr. Mail Code: 236 Cincinnati, OH 45268 | (513) 569-7900 |
| 919 Kerr Research Drive P.O. Box 1198 Ada, OK 74820 | (580) 436-8500 | |
| Mail Code E343-06 Research Triangle Park, NC 27711 | (919) 541-2336 | |
| 26 W. Martin Luther King Dr. Mail Code: 190 Cincinnati, OH 45268 | (513) 569-7029 | |
| 26 W. Martin Luther King Dr. Mail Code: NG16 Cincinnati, OH 45268 | (513) 569-7900 | |
| 26 W. Martin Luther King Dr. Mail Code: 689 Cincinnati, OH 45268 | (513) 569-7046 | |
| U.S. EPA Center for Public Health and Environmental Assessment (CPHEA) - main office | Mail Code: B305-01 Research Triangle Park, NC 27711 | (919) 541-2281 |
1200 Pennsylvania Avenue, NW Mail Code: 8602R Washington, DC 20460 | (202) 564-4700 | |
| Mail Code: B243-01 Research Triangle Park, NC 27711 | (919) 541-4173 | |
| Mail Code: B105-03 Research Triangle Park, NC 27711 | (919) 541-4564 | |
| 104 Mason Farm Road Chapel Hill, NC 27599 | (919) 966-9583 | |
| 200 SW 35th Street Corvallis, OR 97333 | (541) 754-4600 | |
| U.S. EPA Office of Science Advisor, Policy, and Engagement (OSAPE) - main office | 1200 Pennsylvania Avenue, NW Mail Code: 8104R Washington, DC 20460 | (202) 564-6705 |
| 1200 Pennsylvania Ave, NW Mail Code: 8104R Washington, DC 20460 | (202) 564-6705 | |
| 1200 Pennsylvania Ave., NW Mail Code: 8104R Washington, DC 20460 | (202) 564-6705 |
National Laboratories
| Laboratory | Address | Phone Number |
|---|---|---|
| U.S. EPA Environmental Science Center | 701 Mapes Road Ft. Meade, MD 20755-5350 | (410) 305-2800 |
| U.S. EPA National Analytical Radiation Environmental Laboratory (NAREL) | 540 South Morris Avenue Montgomery, AL 36115-2601 | (334) 270-3400 |
| U.S. EPA National Center for Radiation Field Operations (NCRFO) | 4220 S Maryland Parkway, Building C Las Vegas, Nevada 89119 | (702) 784-8200 |
| U.S. EPA National Enforcement Investigations Center Laboratory (NEIC) | Box 25227, Building 25 Denver Federal Center Denver, CO 80225 | (303) 462-9000 |
| U.S. EPA National Vehicle and Fuel Emissions Laboratory (NVFEL) | 2000 Traverwood Drive Ann Arbor, MI 48105 | (734) 214-4200 |
Cincinnati and Research Triangle Park
Cincinnati, OH
Physical Address
U.S. EPA
26 Martin Luther King Drive
Cincinnati, OH 45268
Research Triangle Park, NC
| Type | Address |
|---|---|
| Mailing Address | U.S. EPA Mail Code: [fill in mail code] Research Triangle Park, NC 27711 |
| Physical Address | U.S. EPA 109 T.W. Alexander Drive Durham, NC 27709 |
| Commercial Delivery Address | U.S. EPA 4930 Old Page Road Durham, NC 27703 |
Finance Centers
Cincinnati Finance Center (CFC)
U.S. Postal Service, UPS, Federal Express, or Overnight Mail
U.S. EPA
26 W. Martin Luther King Dr.
MS: WG32B
Cincinnati, Ohio 45268
Ph: (513) 487-2074
Research Triangle Finance Center (RTP-FC)
U.S. Environmental Protection Agency
RTP-Finance Center
109 TW Alexander Drive (D143-02)
Durham, N.C. 27711
UPS, Federal Express, or Overnight Mail
U.S. Environmental Protection Agency
RTP-Finance Center
4930 Old Page Road (D143-02)
Research Triangle Park, N.C. 27709
Contract Payments:
Ph: (919) 541-1148
Vendor Payments:
Ph: (919) 541-0616