prefixes

Australia=AU 
Austria=AT
Brazil=BR
Canada=CA 
China=CN 
Denmark=DK 
Finland=FI 
France=FR 
Germany=DE 
Hong Kong=HK 
Italy=IT 
Japan=JP 
Norway=NO 
Poland=PL 
South Korea=KR 
Spain=ES 
Sweden=SE 
Switzerland=CH 
Taiwan=TW 
United Kingdom=GB 
United States=US 


Afghanistan=AF 
Albania=AL 
Algeria=DZ 
American Samoa=AS 
Andorra=AD 
Angola=AO 
Anguilla=AI 
Antigua and Barbuda=AG 
Argentina=AR 
Armenia=AM 
Aruba=AW 
Azerbaijan=AZ 
Bahamas=BS 
Bahrain=BH 
Bangladesh=BD 
Barbados=BB 
Belarus=BY 
Belgium=BE 
Belize=BZ 
Benin=BJ 
Bermuda=BM 
Bhutan=BT 
Bolivia=BO 
Bosnia and Herzegovina=BA 
Botswana=BW 
Brunei=BN 
Bulgaria=BG 
Burkina Faso=BF 
Burundi=BI 
Cambodia=KH 
Cameroon=CM 
Cape Verde=CV 
Cayman Islands=KY 
Central African Republic=CF 
Chad=TD 
Chile=CL 
Christmas Island=CX 
Colombia=CO 
Comoros=KM 
Cook Islands=CK 
Costa Rica=CR 
Croatia=HR 
Cuba=CU 
Cyprus=CY 
Czech Republic=CZ 
Djibouti=DJ 
Dominica=DM 
Dominican Republic=DO 
East Timor=TL 
Ecuador=EC 
Egypt=EG 
El Salvador=SV  
Equatorial Guinea=GQ 
Eritrea=ER 
Estonia=EE 
Ethiopia=ET 
Falkland Islands=FK 
Faroe Islands=FO 
Fiji Islands=FJ 
French Guiana=GF 
French Polynesia=PF 
Gabon=GA 
Gambia=GM 
Georgia=GE 
Ghana=GH 
Gibraltar=GI 
Greece=GR 
Greenland=GL 
Grenada=GD 
Guadeloupe=GP 
Guam=GU 
Guatemala=GT 
Guinea-Bissau=GW 
Guinea=GN 
Guyana=GY 
Haiti=HT 
Honduras=HN 
Hungary=HU 
Iceland=IS 
India=IN 
Indonesia=ID 
Iran=IR 
Iraq=IQ 
Ireland=IE 
Israel=IL 
Ivory Coast=CI 
Jamaica=JM 
Jordan=JO 
Kazakhstan=KZ 
Kenya=KE 
Kiribati=KI 
Kuwait=KW 
Kyrgyzstan=KG 
Laos=LA 
Latvia=LV 
Lebanon=LB 
Lesotho=LS 
Liberia=LR 
Libya=LY 
Liechtenstein=LI 
Lithuania=LT 
Luxembourg=LU 
Macao=MO 
Macedonia=MK 
Madagascar=MG 
Malawi=MW 
Malaysia=MY 
Maldives=MV 
Mali=ML 
Malta=MT 
Marshall Islands=MH 
Martinique=MQ 
Mauritania=MR 
Mauritius=MU 
Mayotte=YT 
Mexico=MX 
Moldova=MD 
Monaco=MC 
Mongolia=MN 
Montserrat=MS 
Morocco=MA 
Mozambique=MZ 
Myanmar=MM 
Namibia=NA 
Nauru=NR 
Nepal=NP 
Netherlands=NL 
New Caledonia=NC 
New Zealand=NZ 
Nicaragua=NI 
Niger=NE 
Nigeria=NG 
Niue=NU 
Norfolk Island=NF 
North Korea=KP 
Northern Ireland=GB 
Northern Mariana Islands=MP 
Oman=OM 
Pakistan=PK 
Palau=PW 
Palestine=PS 
Panama=PA 
Papua New Guinea=PG 
Paraguay=PY 
Peru=PE 
Philippines=PH 
Portugal=PT 
Puerto Rico=PR 
Qatar=QA 
Reunion=RE 
Romania=RO 
Russian Federation=RU 
Rwanda=RW 
Saint Helena=SH 
Saint Kitts and Nevis=KN 
Saint Lucia=LC 
Saint Pierre and Miquelon=PM 
Saint Vincent and the Grenadines=VC 
Samoa=WS 
San Marino=SM 
Sao Tome and Principe=ST 
Saudi Arabia=SA 
Senegal=SN 
Seychelles=SC 
Sierra Leone=SL 
Singapore=SG 
Slovakia=SK 
Slovenia=SI 
Solomon Islands=SB 
Somalia=SO 
South Africa=ZA 
South Sudan=SS 
Sri Lanka=LK 
Sudan=SD 
Suriname=SR 
Svalbard and Jan Mayen=SJ 
Swaziland=SZ 
Syria=SY 
Tajikistan=TJ 
Tanzania=TZ 
Thailand=TH 
The Democratic Republic of the Congo=CD 
Togo=TG 
Tokelau=TK 
Tonga=TO 
Trinidad and Tobago=TT 
Tunisia=TN 
Turkey=TR 
Turkmenistan=TM 
Turks and Caicos Islands=TC 
Tuvalu=TV 
Uganda=UG 
Ukraine=UA 
United Arab Emirates=AE 
Uruguay=UY 
Uzbekistan=UZ 
Vanuatu=VU 
Venezuela=VE 
Vietnam=VN 
Wallis and Futuna=WF 
Yemen=YE 
Zambia=ZM 
Zimbabwe=ZW