Below you should find hopefully every possible international country code that you may need. If any are missing then please add a comment so that I can update the list.

If you need to search the list, just use the built in search feature of your browser, normally activated by pressing Ctrl + F.

Location	Code
Afghanistan	93
Albania	355
Algeria	213
American Samoa	684
Andorra	376
Angola	244
Anguilla	264
Antarctica (Casey)	672
Antarctica (Scott)	672
Antigua	268
Argentina	54
Armenia	374
Aruba	297
Ascension Islands	247
Australia	61
Austria	43
Azerbaijan	994
Bahamas	242
Bahrain	973
Bangladesh	880
Barbados	246
Barbuda	268
Belarus	375
Belgium	32
Belize	501
Benin	229
Bermuda	441
Bhutan	975
Bolivia	591
Bosnia Herzegovina	387
Botswana	267
Brazil	55
British Virgin Islands	284
Brunei	673
Bulgaria	359
Burkina Faso	226
Burundi	257
Cambodia	855
Cameroon	237
Canada	1
Cape Verde Island	238
Cayman Island	345
Central Africa Republic	236
Chad Republic	235
Chile	56
China	86
Christmas/Cocos	61
Colombia	57
Comoros	269
Congo	242
Cook Island	682
Costa Rica	506
Croatia	385
Cuba	53
Curaçao	599
Cyprus	357
Czech Republic	420
Dem. Rep. of Congo	243
Denmark	45
Diego Garcia	246
Djibouti	253
Dominica	767
Dominican Republic	809
East Timor	670
Easter Island	56
Ecuador	593
Egypt	20
El Salvador	503
Equatorial Guinea	240
Eritrea	291
Estonia	372
Ethiopia	251
Faeroe Islands	298
Falkland Islands	500
Fiji Islands	679
Finland	358
France	33
French Antilles	596
French Guiana	594
French Polynesia	689
Gabon	241
Gambia	220
Georgia	995
Germany	49
Ghana	233
Gibraltar	350
Global Mobile Satellite System	881
Greece	30
Greenland	299
Grenada	473
Guadeloupe	590
Guam	671
Guantanamo Bay	5399
Guatemala	502
Guinea	224
Guinea Bissau	245
Guyana	592
Haiti	509
Honduras	504
Hong Kong	852
Hungary	36
Iceland	354
India	91
Indonesia	62
Inmarsat (Atlantic East)	871
Inmarsat (Atlantic West)	874
Inmarsat (Indian Ocean)	873
Inmarsat (Pacific Ocean)	872
Inmarsat SNAC	870
Iran	98
Iraq	964
Ireland	353
Israel	972
Italy	39
Ivory Coast	225
Jamaica	876
Japan	81
Jordan	962
Kazakhstan	7
Kenya	254
Kiribati	686
Kirighzia	7
Kuwait	965
Kyrgyz Republic	996
Kyrgyzstan	7
Laos	856
Latvia	371
Lebanon	961
Lesotho	266
Liberia	231
Libya	218
Liechtenstein	423
Lithuania	370
Luxembourg	352
Macao	853
Macedonia	389
Madagascar	261
Malawi	265
Malaysia	60
Maldives	960
Mali Republic	223
Malta	356
Marshall Islands	692
Martinique	596
Mauritania	222
Mauritius	230
Mayotte Island	269
Mexico Band 1	521
Mexico Band 2	522
Mexico Band 3	523
Mexico Band 4	524
Mexico Band 5	525
Mexico Band 6	526
Mexico Band 7	527
Mexico Band 8	528
Micronesia	691
Midway Island	808
Moldova	373
Monaco	377
Mongolia	976
Montserrat	664
Morocco	212
Mozambique	258
Myanmar (Burma)	95
Namibia	264
Nauru	674
Nepal	977
Netherlands	31
Netherlands Antilles	599
Nevis Island	869
New Caledonia	687
New Zealand	64
Nicaragua	505
Niger	227
Nigeria	234
Niue Island	683
Norfolk Island	672
North Korea	850
Northern Marianas Islands	670
Norway	47
Oman	968
Pakistan	92
Palau	680
Palestine	970
Palm Island	809
Panama	507
Papau New Guinea	675
Paraguay	595
Peru	51
Philippines	63
Poland	48
Portugal	351
Principe	239
Puerto Rico	787
Qatar	974
Reunion Island	262
Romania	40
Russia	7
Rwanda	250
Sakhalin	7
San Marino	378
Sao Tome	239
Saudi Arabia	966
Senegal Republic	221
Serbia	381
Seychelles	248
Sierra Leone	232
Singapore	65
Slovakia	421
Slovenia	386
Solomon Islands	677
Somalia	252
South Africa	27
South Korea	82
Spain	34
Sri Lanka	94
St. Lucia	758
St. Helena	290
St. Kitts	869
St. Pierre & Miquelon	508
St. Vincent & Grenadines	784
Sudan	249
Suriname	597
Swaziland	268
Sweden	46
Switzerland	41
Syria	963
Taiwan	886
Tajikistan	992
Tanzania	255
Thailand	66
Togo	228
Tokelau	690
Tonga	676
Trinidad/Tobago	868
Tunisia	216
Turkey	90
Turkmenistan	993
Turks/Caicos	649
Tuvalu Islands	688
Uganda	256
Ukraine	380
United Arab Emirates	971
United Kingdom	44
Universal Personal Telecommunications	878
Uruguay	598
US Virgin Islands	340
USA	1
Uzbekistan	998
Vanuatu	678
Vatican City	39
Venezuela	58
Vietnam	84
Wake Island	808
Wallis/Futuna	681
West Samoa	685
Yemen Arab Republic	967
Yugoslavia	381
Zambia	260
Zanzibar	255
Zimbabwe	263