3458 Kings Dr.
Springville, UT 84663
6563 Central Way
Bellport, NY 11713
4242 Whitney Rd
Memphis, NY 13112
6165 Hardy Turnpike
Smyrna, GA 30082
4096 Green Point St
Champion, PA 15622
9324 Rudman Cir.
Mallory, NY 13103
Use this tool to generate a completely random US address. Any address you create is most likely not real, but you can try to send them a letter and make a new pen pal.
Otherwise, you can try to collect all the addresses within this database, have fun.