If you know of additional codes, please post at comments, and I will update the list. Also, if you think any of the codes should not be posted here for any reason (e.g., proprietary Corporate Codes etc.), please let me know.

To book any of these rates online, use the links provided with each code, or add the 5-letter code to the end of the this url:

http://www.ihg.com/hotels/us/en/reservation/findandbook?roomResult=none&rateCode=

If booking by phone, specify the rate code, e.g., “I was given a rate code to use…”.

IHG Hotel Corporate Codes

100862437 Ace Hardware Corp.
000251321 Bayer
900300707 Canadian Association of Business Officers
000136905 EDS
000109207 Federal Express Corporate/Express/Services
100172336 Federal Express Supply Chain Services
100190819 Federal Express Ground
100857591 Federal Express Freight Viking
954105683 Federal Express Freight American Freightways
954288433 Federal Express Custom Critical
970001266 Federal Express Trade Networks
000102806 General Electric
000478113 Loyola University
000505056 MBS textbook exchange
900033305 NWCTA
100189760 Rutgers University
000104256 Siemens

000102806 GE
100862437 Ace Hardware
000103772 Ford
954410926 Cisco
100183394 Oracle
000243132 IBM
102806 General Electric
101672 3M
100857558 Microsoft
954284247 Network Appliance
000104256 Siemens
128554 Motorola
954284898 Dell
293512 Wal-Mart Stores
100211707 Lenovo
150711 AT&T
888400 Target Corporation
000109207 FedEx
262552 ConocoPhillips
100371240 Honda
954409548 Toyota
900000588 lafarge
262552 Conocophillips
109568 Bank Of America Corp
100016221 Fujitsu
108146 ups
105406 kraft
924806 Lowes
128813 Coca-Cola
953100013 philips
IVTCD Travel Consultant

Standard Membership-based Rates (Requires affiliation in the respective organization)

IDAAA AAA/CAA Membership Rate
ILNRB AAA Auto Club South (Good discounts in Florida)
IDARP Senior Discount/AARP Passport (“Available to guests who are 62 years of age or older or with valid membership ID of a retired persons organization”. See here).
IDENI Entertainment Card
IDADC German Automobile Club (No discount since 2006. See here).
IMCGV Canada Government (T & C)
IMGOV U.S. Government Rate (T & C) – See comment here
IMSTI State Government (U.S.) (T & C)

Other Membership-based Rates

IVIDS Travel Agents (“You must present a valid IATAN Card or Photo ID with a Letter of Authorization on agency letterhead that you are entitled to the discount upon check-in”. See here.) Also see this post about changes in the T & C.
IVEDI Employee Rate (Must present an IHG System Room Benefit Card upon check-in)

PC Bonus Points Rates

IKPCB “1,000 Bonus Points”
IKPCE “1,000 Bonus Points”
IKPC2 “2,000 Bonus Points”
IKPC3 “3,000 Bonus Points”
IKPC4 “4,000 Bonus Points”
IKPC5 “5,000 Bonus Points”
IKPC6 “1,000 Bonus Points, 2 Nights”
IKPC7 “2,000 Bonus Points, 2 Nights”
IKPC8 “3,000 Bonus Points, 5 Nights”
IKPC9 “4,000 Bonus Points, 7 Nights”
IKPCR “PCR Point Deals”

IKBPC “1000 PC Bonus Points” Europe Promo
IKTCP “2000 PC Bonus Points” Italy Promo

PCR Rates

IKPR1 PCR Deluxe Deal (Room upgrade to the next room category, in-room Internet access, daily breakfast for one person and laundry for up to two shirts per stay)
IKPR2 PCR Business Deal (In-room Internet access, daily breakfast for up to 2 persons per stay)
IKPR3 PCR Free Internet
IKPR4 PCR Park and Stay (Parking, daily breakfast for up to 2 persons, valid Friday through Sunday per stay)
IKPSO PCR Special Offer (UK)

PC Redemption

IVANI Reward Nights

Package/Theme Rates

IKMOV Double Feature (HI, HX in USA) List of Participating Properties
IDEFN Escapes Fantasticos (Mexico)
IKIHD In-Hotel Dinner
IKDEX Dinner Experience
IKPIZ Pizza Delivery Package
IKSOP Special Occasion
IKRGP Romantic Escape Package
IKTPK Tourist Adventure Package
IKPNF Park, Stay and Go
IKIRM Premiere Movie Package
IKBBB Best-4-Breakfast (Use to automatically enter the Daytona sweepstakes, until Nov 15, 2007
IDEFN Escapes Fantasticos (Mexico)
IKLUX Luxury Escape (IC in EMEA)
IKCEX City Experience (HI, EX, CP in EMEA)
IKLS1 Insider Leisure (IC)
IKCL1 Insider Culture (IC)
IKOC1 Insider Occasion (IC)
IKSH1 Insider Shopping (IC)
IKCT1 Insider City (IC)
IKEV1 Insider Events (IC)
IGCOB Best Flexible w/ Breakfast
IGCOR Best Flexible w/ Breakfast
IKSU1, IKSU2, IKSU3, IKSU4 Summer Relief (CP in China)
IKFLY Stay to Fly (HI in the US)

IKSU1, IKSU2, IKSU3, IKSU4 Summer Relief (CP in China)

ISHD1 Girlfriend Gateaway/Pre theatre
ISHD2 Summer Cash for Gas (Stay 2/3 Nights, get $25/$50 Visa GC)
ISHCX Leisure Saver (2 Weekend Nights Required, UK)

IBBFX Breakfast Flex
IDGTR Great Rates
IKWEB Web Package

IDGTO Stay & Save (S and SE Asia)

Advance Purchase (AP) Rates

IDDSR 1-day AP?
IDADV 3-day AP
IKADB 3-day AP BB
IDCGE 5-day AP?
IDGCB Advance Booking Rate with Breakfast (5-day AP?)
IDAVR 14-day AP
IKAPB 14-Day AP with Breakfast
IDIAN 14/21-day AP
IDADR 30-day AP
IDADB 30-day AP with Breakfast

Opaque Rates

IDH15 Restricted Orbitz/Travelocity
IDU15 Restricted Orbitz/Travelocity
IDINR Restricted Priceline/Hotwire/Site 59/Neat Group Tier 1
IDPAI Restricted Priceline/Hotwire/Site 59/Neat Group Tier 2
IDPBI Restricted Priceline/Hotwire/Site 59/Neat Group Tier 3

Discount Rates

IDEX1 Exclusive 2-For-1 (HI/HIX in Europe)
IKEX2 Exclusive 25% Off (HI/HIX/CP/IC in Europe) (Expired?)
IKEX3 Exclusive 25-35% Off (HI/HIX/CP/IC in Europe)
IKFBI Free Internet & Breakfast (Asia-Pacific) NEW!
IDIC3 IC 3-For-2
ISBMP CP Winter Promotion, HI Winter Promotion (Australia/NZ)
ISHC1 Promotional Leisure Offer (EHI in UK) NEW!
ISHCX Leisure Saver (UK)
IDSTR SuiteRate (CW)
IJWSP Weekend Special (HI in Asia)
IJWIN Double Points/CX Miles Special (HI,CP,IC in Asia)
IKICW Hot Deals (IC), Websavers (HI, CP in AP)

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