| Country code | Country |
| US | UNITED STATES OF AMERICA |
| CA | CANADA |
| AX | ÅLAND ISLANDS |
| AD | ANDORRA |
| AS | AMERICAN SAMOA |
| AE | UNITED ARAB EMIRATES |
| AF | AFGHANISTAN |
| AG | ANTIGUA AND BARBUDA |
| AI | ANGUILLA |
| AL | ALBANIA |
| AM | ARMENIA |
| AN | NETHERLANDS ANTILLES |
| AO | ANGOLA |
| AU | AUSTRALIA |
| AQ | ANTARCTICA |
| AR | ARGENTINA |
| AT | AUSTRIA |
| AU | AUSTRALIA |
| AW | ARUBA |
| AZ | AZERBAIJAN |
| BA | BOSNIA AND HERZEGOVINA |
| BB | BARBADOS |
| BD | BANGLADESH |
| BE | BELGIUM |
| BF | BURKINA FASO |
| BG | BULGARIA |
| BH | BAHARIN |
| BI | BURUNDI |
| BJ | BENIN |
| BM | BERMUDA |
| BN | BRUNEI DARUSSALAM |
| BO | BOLIVIA |
| BR | BRAZIL |
| BN | BRUNEI DARUSSALAM |
| BS | BAHAMAS |
| BT | BHUTAN |
| BV | BOUVET ISLAND |
| BW | BOTSWANA |
| BZ | BELIZE |
| CC |
COCOS (KEELING) ISLANDS |
| CF | CENTRAL AFRICAN REPUBLIC |
| CH | SWITZERLAND |
| CI | COTE D'IVOIRE (IVORY COAST) |
| CK | COOK ISLANDS |
| CL | CHILE |
| CM | CAMEROON |
| CN | CHINA |
| CO | COLOMBIA |
| CR | COSTA RICA |
| CS | CZECHOSLOVAKIA (FORMER) |
| CV | CAPE VERDE |
| CX | CHRISTMAS ISLAND |
| CY | CYPRUS |
| CZ | CZECH REPUBLIC |
| DE | GERMANY |
| CR | COSTA RICA |
| DJ | DJIBOUTI |
| DK | DENMARK |
| DM | DOMINICA |
| DO | DOMINICAN REPUBLIC |
| DZ | ALGERIA |
| EC | ECUADOR |
| EE | ESTONIA |
| EG | EGYPT |
| DM | DOMINICA |
| DO | DOMINICAN REPUBLIC |
| EC | ECUADOR |
| EG | EGYPT |
| EH | WESTERN SAHARA |
| ER | ERITREA |
| ES | SPAIN |
| ET | ETHIOPIA |
| FI | FINLAND |
| FJ | FIJI |
| FK | FALKLAND ISLANDS (MALVINAS) |
| FM | MICRONESIA |
| FO | FAROE ISLANDS |
| FR | FRANCE |
| FX | FRANCE, METROPOLITAN |
| GA | GABON |
| GB | GREAT BRITAIN (UNITED KINGDOM) |
| GD | GRENADA |
| GE | GEORGIA |
| GF | FRENCH GUIANA |
| GG | GUERNSEY |
| GH | GHANA |
| GI | GIBRALTAR |
| GL | GREENLAND |
| GD | GRENADA |
| GM | GAMBIA |
| GN | GUINEA |
| GP | GUADELOUPE |
| GQ | EQUATORIAL GUINEA |
| GR | GREECE |
| GS | S. GEORGIA & S. SANDWICH ISLS. |
| GT | GUATEMALA |
| GU | GUAM |
| GW | GUINEA-BISSAU |
| GY | GUYANA |
| HK | HONG KONG |
| HM | HEARD AND McDONALD ISLANDS |
| HS | HONDURAS |
| HR | CROATIA (HRVATSKA) |
| HT | HAITI |
| HU | HUNGARY |
| ID | INDONESIA |
| IE | IRELAND |
| IM | ISLE OF MAN |
| IL | ISRAEL |
| IM | ISLE OF MAN |
| IN | INDIA |
| IO | BRITISH INDIAN OCEAN TERRITORY |
| IS | ICELAND |
| IT | ITALY |
| JE | JERSEY |
| JM | JAMAICA |
| JO | JORDAN |
| JP | JAPAN |
| KE | KENYA |
| KG | KYRGYZSTAN |
| KH | CAMBODIA |
| KI | KIRIBATI |
| KM | COMOROS |
| KN | SAINT KITTS AND NEVIS |
| KR | KOREA (SOUTH) |
| KW | KUWAIT |
| KY | CAYMAN ISLANDS |
| KZ | KAZAKHSTAN |
| LA | LAOS |
| LC | SAINT LUCIA |
| LI | LIECHTENSTEIN |
| LK | SRI LANKA |
| LS | LESOTHO |
| LT | LITHUANIA |
| LU | LUXEMBOURG |
| LV | LATVIA |
| LY | LIBYA |
| MA | MOROCCO |
| MC | MONACO |
| MD | MOLDOVA |
| ME | MONTENEGRO |
| MG | MADAGASCAR |
| MH | MARSHALL ISLANDS |
| MK | MACEDONIA |
| ML | MALI |
| MM | MYANMAR |
| MO | MACAU |
| MR | NORTHERN MARIANA ISLANDS |
| MQ | MARTINIQUE |
| MR | MARTIUANIA |
| MS | MONSERRAT |
| MT | MALTA |
| MU | MAURITIUS |
| MV | MALDIVES |
| MW | MALAWI |
| MX | MEXICO |
| MY | MALAYSIA |
| MZ | MOZAMBIQUE |
| NA | NAMIBIA |
| NC | NEW CALEDONIA |
| NE | NIGER |
| NF | NORFOLK ISLAND |
| NG | NIGERIA |
| NI | NICARAGUA |
| NL | NETHERLANDS |
| NO | NORWAY |
| NP | NEPAL |
| NR | NAURU |
| NT | NEUTRAL ZONE |
| NU | NIUE |
| NZ | NEW ZEALAND (AOTEAROA) |
| OM | OMAN |
| PA | PANAMA |
| PE | PERU |
| PF | FRENCH POLYNESIA |
| PG | PAPUA NEW GUINEA |
| PH | PHILIPPINES |
| PK | PAKISTAN |
| PL | POLAND |
| PM | ST. PIERRE AND MIQUELON |
| PN | PITCAIRN |
| PR | PUERTO RICO |
| PS | PALESTINIAN TERRITORY |
| PT | PORTUGAL |
| PW | PALAU |
| PY | PARAGUAY |
| QA | QATAR |
| RE | REUNION |
| RO | ROMANIA |
| RS | SERBIA |
| RU | RUSSIAN FEDERATION |
| RW | RWANDA |
| SA | SAUDI ARABIA |
| SB | SOLOMON ISLANDS |
| SC | SELECHELLES |
| SE | SWEDEN |
| SG | SINGAPORE |
| SH | ST. HELENA |
| SI | SLOVENIA |
| SJ | SVALBARD AND JAN MAYEN ISLANDS |
| SK | SLOVAK REPUBLIC |
| SL | SIERRA LEONE |
| SM | SAN MARINO |
| SA | SENEGAL |
| SR | SURINAME |
| ST | SAO TOME AND PRINCIPE |
| SU | USSR (FORMER) |
| SV | EL SALVADOR |
| SZ | SWAZILAND |
| TC | TURK AND CAICOS ISLANDS |
| TF | FRENCH SOUTHERN TERRITORIES |
| TG | TOGO |
| TH | THAILAND |
| TK | TOKELAU |
| TM | TURKMENISTAN |
| TN | TUNISIA |
| TO | TONGA |
| TP | EAST TIMOR |
| TR | TURKEY |
| TT | TRINIDAD AND TOBAGO |
| TV | TUVALU |
| TW | TAIWAN |
| TZ | TANZANIA |
| UA | UKRAINE |
| UG | UGANDA |
| UM | US MINOR OUTLYING ISLANDS |
| TM | TURKMENISTAN |
| TC | TURKS AND CAICOS ISLANDS |
| TV | TUVALU |
| UG | UGANDA |
| UA | UKRAINE |
| US | UNITED STATES |
| UY | URUGUAY |
| UZ | UZBEKISTAN |
| VA | VATICAN CITY STATE (HOLY SEE) |
| VC | SAINT VINCENT AND THE GRENADINES |
| VE | VENEZUELA |
| VG | VIRGIN ISLANDS (BRITISH) |
| VI | VIRGIN ISLANDS (U.S.) |
| VN | VIET NAM |
| VU | VANUATU |
| WF | WALLIS AND FUTUNA ISLANDS |
| WS | SAMOA |
| YE | YEMEN |
| YT | MAYOTTE |
| ZA | SOUTH AFRICA |
| ZM | ZAMBIA |
| COM | US COMMERCIAL |
| EDU | US EDUCATIONAL |
| GOV |
US GOVERNMENT |
| INT |
INTERNATIONAL |
| MIL |
US MILITARY |
| NET |
NETWORK |
| ORG |
NON-PROFIT ORGANIZATION |
| ARPA |
OLD STYLE ARPANET |
Appendix: CSR Country Codes
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