American Postal Workers Union provides advocacy, education, and other resources for postal workers.

1300 L Street, NW
Washington, D.C. 20005-4128
Tel: (202) 842-4200
https://www.apwu.org

DHL offers various career opportunities for mail carriers and related professionals in the delivery and logistics industries.

1210 South Pine Island Rd., 4th Fl.
Plantation, FL 33324-4402
Tel: (800) 225-5345
https://www.logistics.dhl/global-en/home/careers.html

FedEx provides information about job opportunities for mail carriers and other delivery professionals.

942 South Shady Grove Rd.
Memphis, TN 38120-4117
Tel: (800) 463-3339
https://careers.fedex.com/fedex

International Brotherhood of Teamsters provides advocacy, education, and career support for mail carriers and other workers.

25 Louisiana Avenue, NW
Washington, D.C. 20001-2130
Tel: (202) 624-6800
https://teamster.org

National Association of Letter Carriers, AFL-CIO, represents city delivery letter carriers employed by the USPS.

100 Indiana Avenue, NW
Washington, D.C. 20001-2144
Tel: (202) 393-4695
https://www.nalc.org

National Postal Mail Handlers Union is a collective bargaining agent for USPS mail handlers.

815 16th St., NW, Suite 5100
Washington, D.C. 20006-4101
Tel: (202) 833-9095
https://www.npmhu.org

National Rural Letter Carriers' Association offers advocacy, education, and other resources for rural letter carriers.

1630 Duke Street
Alexandria, VA 22314-3467
Tel: (703) 684-5545
https://www.nrlca.org

Find information about eligibility and qualifying examinations for the U.S. Postal Service through local post office or state employment service.

475 L'Enfant Plaza, SW
Washington, D.C. 20260-0004
Tel: (800) 275-8777
https://about.usps.com/careers

United Parcel Service has information about job opportunities for mail carriers and other workers in various locations throughout the U.S.

55 Glenlake Pkwy NE
Atlanta, GA 30328-3474
Tel: (800) PICK-UPS
https://www.jobs-ups.com/location