The GS1 office is located in Belgium and has local offices, which provide standards assistance. GS1 local offices assigns their new members GS1 Company Prefixes to build their GS1 ID Keys, such as UPC (GTIN). A listing of the current GS1 local offices is as follows:

• GS1 Albania www.gs1al.org
• GS1 Algeria www.gs1.dz
• GS1 Argentina www.gs1.org.ar
• GS1 Armenia www.gs1am.org
• GS1 Australia www.gs1au.org
• GS1 Austria www.gs1.at
• GS1 Azerbaijan www.gs1az.org
• GS1 Bahrain www.gs1bh.org/
• GS1 Belarus www.gs1by.by/
• GS1 Belgium & Luxembourg www.gs1belu.org
• GS1 Bolivia www.gs1.org.bo/
• GS1 Bosnia and Herzegovina www.gs1bih.org
• GS1 Brazil www.gs1br.org
• GS1 Brunei Darussalam www.gs1bn.org
• GS1 Bulgaria www.gs1bg.org
• GS1 Cambodia www.gs1.ccc.org.kh
• GS1 Canada www.gs1ca.org
• GS1 Chile www.gs1chile.org
• GS1 China www.gs1cn.org
• GS1 Chinese Taipei www.gs1tw.org
• GS1 Colombia www.gs1co.org
• GS1 Costa Rica www.gs1cr.org
• GS1 Croatia www.gs1hr.org
• GS1 Cuba gs1cu.org
• GS1 Cyprus www.gs1cy.org
• GS1 Czech Republic www.gs1cz.org
• GS1 Denmark www.gs1.dk
• GS1 Dominican Republic www.gs1rd.org.do
• GS1 Ecuador www.gs1ec.org
• GS1 Egypt www.gs1eg.org/
• GS1 El Salvador www.gs1sv.org
• GS1 Estonia www.gs1.ee
• GS1 Finland www.gs1.fi
• GS1 France www.gs1.fr
• GS1 Georgia www.gs1ge.org
• GS1 Germany www.gs1-germany.de
• GS1 Ghana gs1gh.org
• GS1 Association-Greece www.gs1greece.org
• GS1 Guatemala www.gs1gt.org/
• GS1 Honduras www.gs1hn.org
• GS1 Hong Kong www.gs1hk.org
• GS1 Hungary www.gs1hu.org
• GS1 Iceland www.gs1.is
• GS1 India www.gs1india.org
• GS1 Indonesia www.gs1id.org
• GS1 Iran www.gs1ir.org
• GS1 Ireland www.gs1ie.org
• GS1 Israel www.gs1il.org
• GS1 Italy www.gs1it.org
• GS1 Ivory Coast www.gs1ci.org
• GS1 Japan www.gs1jp.org/
• GS1 Jordan www.gs1jo.org.jo
• GS1 Kazakhstan www.gs1.kz
• GS1 Kenya www.gs1kenya.org
• GS1 Korea www.gs1kr.org
• GS1 Korea (DPRK) www.gs1.org
• GS1 Kuwait www.gs1kw.org
• GS1 Kyrgyztan www.gs1kg.org
• GS1 Latvia www.gs1.lv
• GS1 Lebanon www.gs1lb.org
• GS1 Libya www.gs1ly.org
• GS1 Lithuania www.gs1lt.org
• GS1 Macau, China www.gs1mo.org
• GS1 Macedonia www.gs1mk.org
• GS1 Malaysia www.gs1my.org/index.php
• GS1 Malta www.gs1mt.org
• GS1 Mauritius www.gs1mu.org/
• GS1 Mexico www.gs1mexico.org/
• GS1 Moldova www.gs1md.org
• GS1 Mongolia www.gs1mn.org
• GS1 Montenegro www.gs1.me
• GS1 Morocco www.gs1ma.org
• GS1 Netherlands www.gs1.nl
• GS1 New Zealand www.gs1nz.org
• GS1 Nicaragua www.gs1ni.org/home.htm
• GS1 Nigeria www.gs1-nigeria.org
• GS1 Norway www.gs1.no
• GS1 Pakistan www.gs1pk.org/
• GS1 Panama www.gs1pa.org
• GS1 Paraguay www.gs1py.org
• GS1 Peru www.gs1pe.org
• GS1 Philippines www.gs1ph.org
• GS1 Poland www.gs1pl.org
• GS1 Portugal www.gs1pt.org
• GS1 Romania www.gs1.ro
• GS1 Russia www.gs1ru.org
• GS1 Saudi Arabia www.gs1.org.sa/
• GS1 Senegal www.gs1senegal.org
• GS1 Serbia www.gs1yu.org
• GS1 Singapore www.gs1.org.sg
• GS1 Slovakia www.gs1sk.org
• GS1 Slovenia www.gs1si.org
• GS1 South Africa www.gs1za.org
• GS1 Spain www.gs1es.org
• GS1 Sri Lanka www.gs1lanka.org/
• GS1 Sweden www.gs1.se
• GS1 Switzerland www.gs1.ch
• GS1 Syria www.gs1sy.org/
• GS1 Taiwan http://www.gs1tw.org
• GS1 Tajikistan www.gs1tj.org
• GS1 Tanzania www.gs1tz.org/
• GS1 Thailand www.gs1thailand.org
• GS1 Tunisia www.gs1tn.org
• GS1 Turkey www.gs1tr.org
• GS1 Turkmenistan gs1tm.org
• GS1 Ukraine www.gs1ua.org
• GS1 United Arab Emirates www.gs1ae.org
• GS1 UK www.gs1uk.org
• GS1 Uruguay www.gs1uy.org
• GS1 Uzbekistan www.gs1uz.org
• GS1 Venezuela www.gs1ve.org
• GS1 Vietnam www.gs1vn.org.vn