Hilton Worldwide works to meet your needs in so many ways. Whether it's providing the tools for booking a flawless meeting, ensuring accurate and timely commissions payments or offering a loyalty program that really cashes in, we understand what it takes to be your travel partner.


Global Distribution Systems Information

GDS Participation

For your convenience, the Hilton Worldwide Brands participates in the following Global Distribution Systems:


Chain Codes

 EH  =  Every Hilton (all Hilton Worldwide Brands) 
 HH  =  Hilton Hotels and Resorts and Hilton Grand Vacations Club 
 WA  =  Waldorf Astoria 
 HL  =  Hilton International 
 DT  =  Doubletree Hotels 
 ES  =  Embassy Suites 
 HX  =  Hampton Inn and Hampton Inn and Suites 
 GI   =  Hilton Garden Inn 
 HG  =  Homewood Suites by Hilton 
 CN  =  Conrad Hotels & Resorts
 HT  =  Home2 Suites


GDS Assistance
You will find answers for many of the most commonly asked questions in our 
 Travel Agent FAQ Section .

For additional assistance, please contact our Travel Agency Help Desk:
 U.S. –
 Outside the U.S. – tahelpdeskuk@hiltonres.com


 U.S. (tollfree) – 1-800-626-6700, option #2
Outside the U.S. - 972-770-6073


Or you may send us a queue message.