Houghton Mifflin Harcourt
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Our Offices

Corporate Headquarters

Boston
222 Berkeley Street
Boston, MA 02116
(617) 351-5000

United States Offices

Austin
10801 North Mopac Expressway
Austin, TX 78759
(512) 721-7000

Denver
317 Inverness Way South
Suite 150
Englewood, CO 80112
(303) 504-9312

Elkridge
6085 Marshalee Drive
Suite 100
Elkridge, MD 21075

Evanston
909 Davis St # 300
Evanston, IL 60201
(847) 869-2300

Geneva
1900 South Batavia Avenue
Geneva, IL 60134-3399
(630) 232-2550

Indianapolis
2700 North Richart Avenue
Indianapolis, IN 46219

New York City
215 Park Ave S # 12
New York, NY 10003-1621
(212) 420-5800

Orlando
9400 Southpark Center Loop
Orlando, FL 32819
(407) 345-2000

Portsmouth
361 Hanover Street
Portsmouth, NH 03801

Puerto Rico
B7 Calle Tabonuco, Suite 1410
Guaynabo, PR 00968-3003
(787) 520-9599/9585

Rolling Meadows
3800 Golf Road
Rolling Meadows, IL 60008
(630) 467-7000

Troy
465 South Lincoln Drive
Troy, Mo. 63379
636-528-8110

Wilmington
181 Ballardvale Street
Wilmington, MA 01887
(978) 661-1300

International Offices

Canada
4200 Boulevard St.
Laurent1601
Quebec Canada

China
59 A Zhongguancun Street
Haidian District
Room 1004
HMH
Beijing, 100872
Tel: 86 10 62602236

Dubai
Standard Chartered Tower, Level 5
PO 35482, Emaar Square,
Downtown Burj Khalifa
Dubai
United Arab Emirates

Ireland
152 – 160 Pearse Street
Dublin 2
Ireland
Tel: +353 1 240 5900

Singapore 
67 Ubi Road 1
#05-08 Bizhub
Singapore 408730
Tel: +65 6635 6825

South Korea
#501 KGIT SangAm Center
1601, SangAm-dong
Mapo-gu, Seoul
123-913, S. Korea
Tel: +82 (0)2 6393
5790/5792