Updated on December 14, 2023

Sign up with these bonus codes and you'll get some free Priority Club points and other bonuses.
Credit to nafaught who posted them here.

Steps:

1. Log into your account
2. In the webaddress put priorityclub.com/register and click ENTER on the keyboard
3. Put the 4 digit code in and register
4. Repeat for all the codes below.  This should take you 5-10 minutes.

Promo Description
1043 Earn double the points/miles
1878 AMBASSADOR ACCELERATOR BONUS
1965 DELAYED FULFILMENT GLOBAL
2108 SC – Stay 3 nights, get 2,500 points
2619 Book Direct 2013
2656 WELCOME BACK BONUS
2670 1000 POINT GOLD BONUS OFFER
2777 STAY 2 NIGHTS GET 2500 POINTS PROMOTION, MAX 2 WINS
2785 ELITE MEMBER NEXT STAY BONUS
3784 Planes, Trains, and Automobiles
3825 ELITE MEMBER NEXT STAY BONUS
3919 Welcome Back 2013
3927 Business Stayers Earn More
4644 ANNIVERSARY BONUS OFFER
4648 NEW MEMBER BONUS PROMOTION
4709 1,000 BONUS POINTS FOR 60 DAYS
4777 5000 POINT PLATINUM BONUS OFFER
6601 CANADA STAY BONUS OFFER
7637 WEEKEND STAY BONUS

7641 – NEXT STAY BONUS (1,500 points on your next stay) (credit to LoyaltyLobby here)