The first part of the ISBN identifies a country, area or language area participating in the ISBN system. Some members form language areas (e.g. German language group = group number 3) or regional units (e.g. South Pacific = group number 982).

Caribbean Community (Caricom) (976) includes:

Antigua AG, Bahamas BS, Barbados BB, Belize BZ, Cayman Islands KY, Dominica DM, Grenada GD, Guyana GY, Jamaica JM, Montserrat M, St. Kitts-Nevis KN, St. Lucia LC, St. Vincent VC, Trinidad and Tobago TT, Virgin Islands (Br.) VG