| Business | Phone |
| Goodstein Foundation Library 125 College Dr, Casper 82601 | (307) 268-2269 |
| Mills Library 717 E 5th St, Casper 82601 | (307) 265-6017 |
| Natrona County Law Library 200 N Center St, Casper 82601 | (307) 235-9241 |
| Natrona County Public Library 307 E 2nd St, Casper 82601 | (307) 237-4935 |