* = laboratories that are no longer operating or have changed their code designations.
| Code | Lab name | Country | |
|---|---|---|---|
| A | Arizona | USA | |
| AA | NSF | USA | |
| AAR | University of Aarhus | Denmark | |
| AC | Ingeis | Argentina | |
| AECV* | Alberta Environmental Center of Vegreville | Canada | |
| AERIK* | Atomic Energy Res. Inst. | Korea | |
| ALG* | Algiers | Algeria | |
| ANL* | Argonne Nat. Lab., Ill. | USA | |
| ANTW* | Antwerp | Belgium | |
| ANU* | Australian National University | Australia | |
| ANUA | ANU Accelerator | Australia | |
| AU* | University of Alaska | USA | |
| B | Bern | Switzerland | |
| Ba | Bratislava | Slovakia | |
| BC* | Brooklyn College | USA | |
| BE | University of Bern | Switzerland | |
| Beta | Beta Analytic | USA | |
| BGS* | Brock University | Canada | |
| BIOCAMS* | BIOCAMS International | USA | |
| Birm* | Birmingham | USA | |
| Bln* | Berlin | Germany | |
| BM* | British Museum | England | |
| BONN* | Universität Bonn | Germany | |
| BS | Birbal Sahni Institute | India | |
| BSG | Brock University | Canada | |
| C* | Chicago | USA | |
| CAMS | Center for Accelerator Mass Spectrometry | USA | |
| CAR* | Univ. College, Cardiff | Wales | |
| CENA | Centro Energia Nuclear na Agricultura | Brazil | |
| CG | Institute of Geology | China | |
| CH* | Chemistry Laboratory | India | |
| CNA | Centro Nacional de Aceladores | Spain | |
| COL | University of Cologne AMS | Germany | |
| CRCA * | Cairo | Egypt | |
| CRL | Czech Radiocarbon Laboratory | Czech Republic | |
| CSIC | Geochronology Lab, IQFR-CSIC, Madrid | Spain | |
| CSM* | Cosmochemistry Lab. USSR Academy of Sciences | USSR | |
| CT* | Caltech, Calif. Inst. Tech. | USA | |
| CU | Charles University | Czech Republic | |
| D* | Dublin, Trinity College | Ireland | |
| Dak* | Univ. de Dakar | République du Sénégal | |
| DAL* | Dalhousie University | Canada | |
| DE* | USGS, Denver | USA | |
| Deb | Debrecen | Hungary | |
| DEM | Lab. of Archaeometry, NCSR Demokritos | Greece | |
| DGC | Dalhousie Geochronology Centre | Canada | |
| DIC* | Dicar Corp and Dicarb Radioisotope Company | USA | |
| DK | Institut Fondamental d’Afrique Noire (IFAN) | Senegal | |
| DRI* | Desert Research Institute | USA | |
| DSA | Center for Isotopic Research on Cultural and Environmental Heritage (CIRCE) | Italy | |
| D-AMS | Direct AMS | USA | |
| ENEA | ENEA, Bologna | Italy | |
| Erl | Erlangen AMS Facility | Germany | |
| ETH | ETH/AMS Facility | Switzerland | |
| F* | Florence | Italy | |
| Fr* | Freiberg | Germany | |
| Fra* | Frankfurt | Germany | |
| FSU* | Florida State University | USA | |
| FZ | Fortaleza | Brazil | |
| G* | Göteborg | Sweden | |
| GAK | Gakushuin University | Japan | |
| Gd | Gliwice | Poland | |
| GD* | Gdansk | Poland | |
| Gif | Gif sur Yvette | France | |
| Gif A | Gif sur Yvette and Orsay | France | |
| GIN | Geological Institute | Russia | |
| GL* | Geochronological Lab. | England | |
| Gro* | Groningen | The Netherlands | |
| GrN* | Groningen | The Netherlands | |
| GrA | Groningen Accelerator | The Netherlands | |
| GSC | Geological Survey | Canada | |
| GU* | Scottish Universities Research & Reactor Centre | Scotland | |
| GX | Geochron Laboratories | USA | |
| H* | Heidelberg | West Germany | |
| HAM | Hamburg | Germany | |
| HAR* | Harwell | England | |
| Hd | Heidelberg | Germany | |
| Hel* | Helsinki | Finland | |
| Hela | Helsinki AMS | Finland | |
| HIG* | Hawaii Inst. of Geophys. | USA | |
| HL | Second Institute of Oceanography | China | |
| HNS* | Hasleton-Nuclear, Palo Alto, California | USA | |
| Hv | Hannover | Germany | |
| I* | Teledyne Isotopes | USA | |
| IAA | Institute of Accelerator Analysis (beta counting) | Japan | |
| IAAA | Institute of Accelerator Analysis (AMS) | Japan | |
| IAEA | International Atomic Energy Agency | Austria | |
| IAEA-MEL | Marine Environmental Laboratory | Monaco | |
| ICEN* | Instituto Tecnológico e Nuclear | Portugal | |
| IEMAE | Institute of Evolutionary Morphology and Animal Ecology | Russia | |
| IFAO | Institut français d'archéologie orientale | Egypt | |
| IGAN | Institute of Geography | Russia | |
| IGS* | Inst. of Geological Sci. | Sweden | |
| IGSB | Inst. of Geological Sci. | Belarus | |
| IHME | The Marzeev Institute of Hygiene and Medical Ecology | Ukraine | |
| II* | Isotopes, Inc., Palo Alto | USA | |
| IMTA | Instituto Mexicano de Tecnología del Agua (IMTA) | Mexico | |
| IOAN* | Institute of Oceanography | Russia | |
| IORAN* | Institute of Oceanology | Russia | |
| IRPA* | Royal Institute of Cultural Heritage | Belgium | |
| ISGS | Illinois State Geological Survey | USA | |
| IVAN* | Institute of Volcanology | Ukraine | |
| IVIC* | Caracas | Venezuela | |
| IWP* | Institute of Water Problems | Russia | |
| J | Max-Planck-Institut für Biogeochemie, Jena | Germany | |
| JAT | Tono Geoscience Center, Japan Atomic Energy Agency (JAEA) | Japan | |
| JGS* | Geological Survey of Japan | Japan | |
| JUBR | Biren Roy Research Laboratory | India | |
| K | National Museum | Denmark | |
| KAERI* | Korean Atomic Energy Research Institute | Korea | |
| KCP | National Cultural Property Research Institute | Korea | |
| KEEA | Kyushu Environmental Evaluation Association | Japan | |
| KI | Kiel | Germany | |
| KIA | Kiel AMS | Germany | |
| Ki (KIEV) | Institute of Radio Geochemistry of the Environment | Ukraine | |
| KIK* | Royal Institute for Cultural Heritage | Belgium | |
| KN* | Köln | Germany | |
| KR | Krakow | Poland | |
| KRIL* | Krasnoyarsk Institute | Russia | |
| KSU* | Kyoto Sangyo University | Japan | |
| L* | Lamont-Doherty | USA | |
| LAR* | Ličge State University | Belgium | |
| LE | St. Petersburg | Russia | |
| LIH | Lab. of Isotope Hydrology, NCSR Demokritos | Greece | |
| LJ* | Scripps (UCSD) La Jolla | USA | |
| LOD | Lodz | Poland | |
| LP | La Plata | Argentina | |
| Lu* | Lund | Sweden | |
| LU | St. Petersburg State Univesity | Russia | |
| LUS | Lund University | Sweden | |
| Lv* | Louvain-la-Neuve | Belgium | |
| Ly | University of Lyon | France | |
| LZ | Umweltforschungszentrum Leipzig-Halle | Germany | |
| M* | University of Michigan | USA | |
| Ma* | University of Winnepeg | Canada | |
| MAG | Quaternary Geology and Geochronology Laboratory | Russia | |
| MAMS | Curt-Engelhorn-Zentrum Archaeometrie | Germany | |
| MC* | Centre Scientifique de Monaco | Monaco | |
| METU* | Middle East Technical University | Turkey | |
| MKL | Laboratory of Absolute Dating | Poland | |
| ML* | Miami | USA | |
| Mo* | Verdanski Inst. of Geochemistry, Moscow | USSR | |
| MOC* | Archaeological Institute, Czechoslovak Acad. of Sci. | Czechoslovakia | |
| MP* | Magnolia Petroleum | USA | |
| MRRI* | Marine Resources Research Institute | USA | |
| MSU* | Moscow State University | Russia | |
| MTC | University of Tokyo | Japan | |
| N* | Nishina Memorial | Japan | |
| NIST | National Institute of Standards and Technology | USA | |
| NOSAMS | National Ocean Sciences AMS Facility, Woods Hole Oceanographic Inst. | USA | |
| NPL* | National Physical Laboratory, Middlesex | England | |
| NS* | Nova Scotia Research Foundation | Canada | |
| NSRL | INSTAAR AMS Lab, U of Colorado | USA | |
| NSTF* | Nuclear Science and Technology Facility, State Univ. of New York | USA | |
| NSW* | U. of New South Wales | Australia | |
| NTU | National Taiwan University | Republic of China | |
| NU* | Nihon University | Japan | |
| NUTA | Tandetron AMS Lab | Japan | |
| Ny* | Nancy, Centre de Recherches Radiogéologiques | France | |
| NZ* | Rafter Radiocarbon Lab | New Zealand | |
| NZA | Rafter Radiocarbon Lab (AMS) | New Zealand | |
| O* | Humble Oil & Refining | USA | |
| OBDY* | ORSTOM Bondy | France | |
| OR | Research Center of Radioisotopes | Japan | |
| ORINS* | Oak Ridge Institute of Nuclear Studies | USA | |
| OWU* | Ohio Wesleyan Univ. | USA | |
| OX* | USDA Oxford, Mississippi | USA | |
| OxA | Oxford Radiocarbon Accelerator Unit | England | |
| OZ | ANSTO-ANTARES | Australia | |
| P* | Univ. of Pennsylvania | USA | |
| Pi* | Pisa | Italy | |
| PI* | Permafrost Institute | Russia | |
| PIC* | Packard | USA | |
| PITT* | University of Pittsburgh | USA | |
| Poz | Poznan Radiocarbon Laboratory | Poland | |
| Pr* | Prague | Czechoslovakia | |
| PKU | Peking University | China | |
| PKUAMS | Peking University AMS lab | China | |
| PL | Purdue Rare Isotope Measurement Laboratory | USA | |
| PLD | Paleo Laboratory Co., Ltd. | Japan | |
| PRI | PaleoResearch Institute | USA | |
| PRL | Physical Research Laboratory | India | |
| PRLCH | Physical Research Laboratory (Chemistry Dept.) | India | |
| PSU* | Pennsylvania State Univ. | USA | |
| Pta | Pretoria | South Africa | |
| Q | Cambridge | England | |
| QL* | Quaternary Isotope Laboratory | USA | |
| QC* | Queens College | USA | |
| QU* | Centre de Recherches Minérales, Québec | Canada | |
| R | Rome | Italy | |
| RCD | Radiocarbon Dating | England | |
| RI* | Radiochemistry, Inc. | USA | |
| RICH | Royal Institute for Cultural Heritage | Belgium | |
| RIDDL* | Simon Fraser Univ. | Canada | |
| Riga* | Institute of Science | Latvia | |
| RL* | Radiocarbon, Ltd. | USA | |
| Rome | Department of Earth Sciences, Rome | Italy | |
| RT | Rehovot | Israel | |
| RTK | Rehovot | Israel | |
| RU* | Rice University | USA | |
| S* | Saskatchewan | Canada | |
| Sa* | Saclay, Gif-sur-Yvette | France | |
| Sac | Instituto Tecnológico e Nuclear | Portugal | |
| SacA | Gif sur Yvette (Saclay) | France | |
| SFU* | Simon Fraser Univ. | Canada | |
| Sh* | Shell Development Co. | USA | |
| SI* | Smithsonian Institution | USA | |
| SL* | Sharp Laboratories | USA | |
| SM* | Mobil Oil Corp., Dallas | USA | |
| SMU* | Southern Methodist Univ. | USA | |
| SNU | Seoul National Univ. | Korea | |
| SOAN | Institute of Geology and Geophysics | Russia | |
| SR* | Salisbury, Rhodesia | Rhodesia | |
| SRR* | NERC Radiocarbon Laboratory | Scotland | |
| St* | Stockholm | Sweden | |
| Su* | Finland | Finland | |
| SUA | Sydney University | Australia | |
| SUERC | Scottish Universities Environmental Research Centre | Scotland | |
| SWA | Swansea | Wales | |
| T | Trondheim | Norway | |
| Ta | Tartu | Estonia | |
| TAM* | Texas A & M University | USA | |
| TB | Tblisi | Georgia | |
| TBNC* | Kaman Instruments (formerly Texas-Bio-Nuclear) | USA | |
| TEM* | Temple University | USA | |
| TF* | Tata Institute of Fundamental Research | India | |
| TK | University of Tokyo | Japan | |
| TKa | University of Tokyo AMS | Japan | |
| TKU | Turku | Finland | |
| Tln | Tallinn | Estonia | |
| TO | IsoTrace Laboratory | Canada | |
| TRa | Trondheim (AMS) | Norway | |
| TUa | Trondheim (AMS) | Norway | |
| TUNC* | Tehran University Nuclear Centre | Iran | |
| Tx* | Texas | USA | |
| U | Uppsala | Sweden | |
| Ua | Uppsala Accelerator | Sweden | |
| UB* | Belfast | Northern Ireland | |
| UBA | Belfast | Northern Ireland | |
| UBAR | University of Barcelona | Spain | |
| UCD | University College, Dublin | Ireland | |
| UCI | University of California, Irvine | USA | |
| UCLA* | University of California, Los Angeles | USA | |
| UCR* | University of California, Riverside | USA | |
| UD* | Udine | Italy | |
| UGa | University of Georgia | USA | |
| UGRA | University of Granada | Spain | |
| UL* | University of Laval | Canada | |
| ULA | University of Laval | Canada | |
| UM* | University of Miami | USA | |
| UQ* | University of Quebec at Montreal | Canada | |
| URCRM* | Ukrainian Research Ctr. for Radiation Medicine | Ukraine | |
| USGS* | USGS, Menlo Park | USA | |
| UtC* | Utrecht van der Graaf Laboratorium | The Netherlands | |
| UTCAG | University of Tennessee, Center for Archaeometry and Geochronology | USA | |
| UW* | University of Washington | USA | |
| V* | Melbourne, Victoria | Australia | |
| VERA | Institut für Radiumforschung und Kernphysik | Austria | |
| VRI* | Vienna Radium Institute | Austria | |
| W* | USGS, National Center | USA | |
| WAT* | University of Waterloo | Canada | |
| WHAMS | National Ocean Sciences AMS Facility | USA | |
| WIS* | Wisconsin | USA | |
| Wk | University of Waikato | New Zealand | |
| WRD* | USGS Washington, D.C. Water Resources Division | USA | |
| WSU* | Washington State Univ. | USA | |
| XLLQ | Xian Laboratory of Loess and Quaternary Geology | China | |
| X* | Whitworth College | USA | |
| Y* | Yale University | USA | |
| Ya* | Yale University | USA | |
| YU | Yamagata University | Japan | |
| Z | Zagreb | Croatia |