| 1. | AD | Andorra |
| 2. | AE | United Arab Emirates |
| 3. | AF | Afghanistan |
| 4. | AG | Antigua and Barbuda |
| 5. | AI | Anguilla |
| 6. | AL | Albania |
| 7. | AM | Armenia |
| 8. | AN | Netherlands Antilles |
| 9. | AO | Angola |
| 10. | AQ | Antarctica |
| 11. | AR | Argentina |
| 12. | ARPA | Old style Arpanet |
| 13. | AS | American Samoa |
| 14. | AT | Austria |
| 15. | AU | Australia |
| 16. | AW | Aruba |
| 17. | AZ | Azerbaijan |
| 18. | BA | Bosnia and Herzegovina |
| 19. | BB | Barbados |
| 20. | BD | Bangladesh |
| 21. | BE | Belgium |
| 22. | BF | Burkina Faso |
| 23. | BG | Bulgaria |
| 24. | BH | Bahrain |
| 25. | BI | Burundi |
| 26. | BJ | Benin |
| 27. | BM | Bermuda |
| 28. | BN | Brunei Darussalam |
| 29. | BO | Bolivia |
| 30. | BR | Brazil |
| 31. | BS | Bahamas |
| 32. | BT | Bhutan |
| 33. | BV | Bouvet Island |
| 34. | BW | Botswana |
| 35. | BY | Belarus |
| 36. | BZ | Belize |
| 37. | CA | Canada |
| 38. | CC | Cocos (Keeling) Islands |
| 39. | CF | Central African Republic |
| 40. | CG | Congo |
| 41. | CH | Switzerland |
| 42. | CI | Cote D'Ivoire (Ivory Coast) |
| 43. | CK | Cook Islands |
| 44. | CL | Chile |
| 45. | CM | Cameroon |
| 46. | CN | China |
| 47. | CO | Colombia |
| 48. | COM | US Commercial |
| 49. | CR | Costa Rica |
| 50. | CS | Czechoslovakia (former) |
| 51. | CU | Cuba |
| 52. | CV | Cape Verde |
| 53. | CX | Christmas Island |
| 54. | CY | Cyprus |
| 55. | CZ | Czech Republic |
| 56. | DE | Germany |
| 57. | DJ | Djibouti |
| 58. | DK | Denmark |
| 59. | DM | Dominica |
| 60. | DO | Dominican Republic |
| 61. | DZ | Algeria |
| 62. | EC | Ecuador |
| 63. | EDU | US Educational |
| 64. | EE | Estonia |
| 65. | EG | Egypt |
| 66. | EH | Western Sahara |
| 67. | ER | Eritrea |
| 68. | ES | Spain |
| 69. | ET | Ethiopia |
| 70. | FI | Finland |
| 71. | FJ | Fiji |
| 72. | FK | Falkland Islands (Malvinas) |
| 73. | FM | Micronesia |
| 74. | FO | Faroe Islands |
| 75. | FR | France |
| 76. | FX | France, Metropolitan |
| 77. | GA | Gabon |
| 78. | GB | Great Britain (UK) |
| 79. | GD | Grenada |
| 80. | GE | Georgia |
| 81. | GF | French Guiana |
| 82. | GH | Ghana |
| 83. | GI | Gibraltar |
| 84. | GL | Greenland |
| 85. | GM | Gambia |
| 86. | GN | Guinea |
| 87. | GOV | US Government |
| 88. | GP | Guadeloupe |
| 89. | GQ | Equatorial Guinea |
| 90. | GR | Greece |
| 91. | GS | S. Georgia and S. Sandwich Isls. |
| 92. | GT | Guatemala |
| 93. | GU | Guam |
| 94. | GW | Guinea-Bissau |
| 95. | GY | Guyana |
| 96. | HK | Hong Kong |
| 97. | HM | Heard and McDonald Islands |
| 98. | HN | Honduras |
| 99. | HR | Croatia (Hrvatska) |
| 100. | HT | Haiti |
| 101. | HU | Hungary |
| 102. | ID | Indonesia |
| 103. | IE | Ireland |
| 104. | IL | Israel |
| 105. | IN | India |
| 106. | INT | International |
| 107. | IO | British Indian Ocean Territory |
| 108. | IQ | Iraq |
| 109. | IR | Iran |
| 110. | IS | Iceland |
| 111. | IT | Italy |
| 112. | JM | Jamaica |
| 113. | JO | Jordan |
| 114. | JP | Japan |
| 115. | KE | Kenya |
| 116. | KG | Kyrgyzstan |
| 117. | KH | Cambodia |
| 118. | KI | Kiribati |
| 119. | KM | Comoros |
| 120. | KN | Saint Kitts and Nevis |
| 121. | KP | Korea (North) |
| 122. | KR | Korea (South) |
| 123. | KW | Kuwait |
| 124. | KY | Cayman Islands |
| 125. | KZ | Kazakhstan |
| 126. | LA | Laos |
| 127. | LB | Lebanon |
| 128. | LC | Saint Lucia |
| 129. | LI | Liechtenstein |
| 130. | LK | Sri Lanka |
| 131. | LR | Liberia |
| 132. | LS | Lesotho |
| 133. | LT | Lithuania |
| 134. | LU | Luxembourg |
| 135. | LV | Latvia |
| 136. | LY | Libya |
| 137. | MA | Morocco |
| 138. | MC | Monaco |
| 139. | MD | Moldova |
| 140. | MG | Madagascar |
| 141. | MH | Marshall Islands |
| 142. | MIL | US Military |
| 143. | MK | Macedonia |
| 144. | ML | Mali |
| 145. | MM | Myanmar |
| 146. | MN | Mongolia |
| 147. | MO | Macau |
| 148. | MP | Northern Mariana Islands |
| 149. | MQ | Martinique |
| 150. | MR | Mauritania |
| 151. | MS | Montserrat |
| 152. | MT | Malta |
| 153. | MU | Mauritius |
| 154. | MV | Maldives |
| 155. | MW | Malawi |
| 156. | MX | Mexico |
| 157. | MY | Malaysia |
| 158. | MZ | Mozambique |
| 159. | NA | Namibia |
| 160. | NATO | Nato field |
| 161. | NC | New Caledonia |
| 162. | NE | Niger |
| 163. | NET | Network |
| 164. | NF | Norfolk Island |
| 165. | NG | Nigeria |
| 166. | NI | Nicaragua |
| 167. | NL | Netherlands |
| 168. | NO | Norway |
| 169. | NP | Nepal |
| 170. | NR | Nauru |
| 171. | NT | Neutral Zone |
| 172. | NU | Niue |
| 173. | NZ | New Zealand (Aotearoa) |
| 174. | OM | Oman |
| 175. | ORG | Non-Profit Organization |
| 176. | PA | Panama |
| 177. | PE | Peru |
| 178. | PF | French Polynesia |
| 179. | PG | Papua New Guinea |
| 180. | PH | Philippines |
| 181. | PK | Pakistan |
| 182. | PL | Poland |
| 183. | PM | St. Pierre and Miquelon |
| 184. | PN | Pitcairn |
| 185. | PR | Puerto Rico |
| 186. | PT | Portugal |
| 187. | PW | Palau |
| 188. | PY | Paraguay |
| 189. | QA | Qatar |
| 190. | RE | Reunion |
| 191. | RO | Romania |
| 192. | RU | Russian Federation |
| 193. | RW | Rwanda |
| 194. | SA | Saudi Arabia |
| 195. | Sb | Solomon Islands |
| 196. | SC | Seychelles |
| 197. | SD | Sudan |
| 198. | SE | Sweden |
| 199. | SG | Singapore |
| 200. | SH | St. Helena |
| 201. | SI | Slovenia |
| 202. | SJ | Svalbard and Jan Mayen Islands |
| 203. | SK | Slovak Republic |
| 204. | SL | Sierra Leone |
| 205. | SM | San Marino |
| 206. | SN | Senegal |
| 207. | SO | Somalia |
| 208. | SR | Suriname |
| 209. | ST | Sao Tome and Principe |
| 210. | SU | USSR (former) |
| 211. | SV | El Salvador |
| 212. | SY | Syria |
| 213. | SZ | Swaziland |
| 214. | TC | Turks and Caicos Islands |
| 215. | TD | Chad |
| 216. | TF | French Southern Territories |
| 217. | TG | Togo |
| 218. | TH | Thailand |
| 219. | TJ | Tajikistan |
| 220. | TK | Tokelau |
| 221. | TM | Turkmenistan |
| 222. | TN | Tunisia |
| 223. | TO | Tonga |
| 224. | TP | East Timor |
| 225. | TR | Turkey |
| 226. | TT | Trinidad and Tobago |
| 227. | TV | Tuvalu |
| 228. | TW | Taiwan |
| 229. | TZ | Tanzania |
| 230. | UA | Ukraine |
| 231. | UG | Uganda |
| 232. | UK | United Kingdom |
| 233. | UM | US Minor Outlying Islands |
| 234. | US | United States |
| 235. | UY | Uruguay |
| 236. | UZ | Uzbekistan |
| 237. | VA | Vatican City State (Holy See) |
| 238. | VC | Saint Vincent and the Grenadines |
| 239. | VE | Venezuela |
| 240. | VG | Virgin Islands (British) |
| 241. | VI | Virgin Islands (U.S.) |
| 242. | VN | Viet Nam |
| 243. | VU | Vanuatu |
| 244. | WF | Wallis and Futuna Islands |
| 245. | WS | Samoa |
| 246. | YE | Yemen |
| 247. | YT | Mayotte |
| 248. | YU | Yugoslavia |
| 249. | ZA | South Africa |
| 250. | ZM | Zambia |
| 251. | ZR | Zaire |
| 252. | ZW | Zimbabwe |
