Uganda
| ISO 3166-1 numeric 800  | 
ISO 3166-1 alpha-3 UGA  | 
ISO 3166-1 alpha-2 UG  | 
ICAO airport code prefix HU  | 
| E.164 code 256  | 
IOC country code UGA  | 
Country code top-level domain .ug  | 
ICAO aircraft regis. prefix 5X-  | 
| E.212 mobile country code 641  | 
NATO three-letter code UGA  | 
NATO two-letter code UG  | 
LOC MARC code UG  | 
| ITU Maritime ID 675  | 
ITU letter code UGA  | 
FIPS country code UG  | 
License plate code EAU  | 
| GS1 GTIN prefix —  | 
UNDP country code UGA  | 
WMO country code UG  | 
ITU callsign prefixes 5XA-5XZ  | 
 Ukraine
| ISO 3166-1 numeric 804  | 
ISO 3166-1 alpha-3 UKR  | 
ISO 3166-1 alpha-2 UA  | 
ICAO airport code prefix UK  | 
| E.164 code 380  | 
IOC country code UKR  | 
Country code top-level domain .ua  | 
ICAO aircraft regis. prefix UR-  | 
| E.212 mobile country code 255  | 
NATO three-letter code UKR  | 
NATO two-letter code UP  | 
LOC MARC code UN  | 
| ITU Maritime ID 272  | 
ITU letter code UKR  | 
FIPS country code UP  | 
License plate code UA  | 
| GS1 GTIN prefix 482  | 
UNDP country code UKR  | 
WMO country code UR  | 
ITU callsign prefixes EMA-EOZ, URA-UZZ  | 
 United Arab Emirates
| ISO 3166-1 numeric 784  | 
ISO 3166-1 alpha-3 ARE  | 
ISO 3166-1 alpha-2 AE  | 
ICAO airport code prefix OM  | 
| E.164 code 971  | 
IOC country code UAE  | 
Country code top-level domain .ae  | 
ICAO aircraft regis. prefix A6-  | 
| E.212 mobile country code 050, 051, 052, 053, 054, 056, 057, 058  | 
NATO three-letter code ARE  | 
NATO two-letter code TC  | 
LOC MARC code TS  | 
| ITU Maritime ID 470  | 
ITU letter code UAE  | 
FIPS country code AE  | 
License plate code UAE  | 
| GS1 GTIN prefix 629  | 
UNDP country code UAE  | 
WMO country code ER  | 
ITU callsign prefixes A6A-A6Z  | 
 United Kingdom
| ISO 3166-1 numeric 826  | 
ISO 3166-1 alpha-3 GBR  | 
ISO 3166-1 alpha-2 GB  | 
ICAO airport code prefix EG  | 
| E.164 code 44  | 
IOC country code GBR  | 
Country code top-level domain .uk and .gb  | 
ICAO aircraft regis. prefix G-  | 
| E.212 mobile country code 234, 235  | 
NATO three-letter code GBR  | 
NATO two-letter code UK  | 
LOC MARC code UK  | 
| ITU Maritime ID 232-235  | 
ITU letter code G  | 
FIPS country code UK  | 
License plate code UK  | 
| GS1 GTIN prefix 500-509  | 
UNDP country code UKM  | 
WMO country code UK  | 
ITU callsign prefixes 2AA-2ZZ, GAA-GZZ, MAA-MZZ, VPA-VQZ  | 
 United States
| ISO 3166-1 numeric 840  | 
ISO 3166-1 alpha-3 USA  | 
ISO 3166-1 alpha-2 US  | 
ICAO airport code prefix K,  PA, PB, PF, PH, PJ,  | 
| E.164 code 1  | 
IOC country code USA  | 
Country code top-level domain .us  | 
ICAO aircraft regis. prefix | 
| E.212 mobile country code 310-316  | 
NATO three-letter code USA  | 
NATO two-letter code US  | 
LOC MARC code US  | 
| ITU Maritime ID 338, 366-369  | 
ITU letter code USA  | 
FIPS country code US  | 
License plate code USA  | 
| GS1 GTIN prefix 000-139  | 
UNDP country code USA  | 
WMO country code US  | 
ITU callsign prefixes AAA-ALZ, KAA-KZZ  | 
Notes
- ↑ US does not put a - (dash) after the N on aircraft ex: N1A to N9999Z
 
 United States Minor Outlying Islands
 Uruguay
| ISO 3166-1 numeric 858  | 
ISO 3166-1 alpha-3 URY  | 
ISO 3166-1 alpha-2 UY  | 
ICAO airport code prefix SU  | 
| E.164 code 598  | 
IOC country code URU  | 
Country code top-level domain .uy  | 
ICAO aircraft regis. prefix CX-  | 
| E.212 mobile country code 748  | 
NATO three-letter code URY  | 
NATO two-letter code UY  | 
LOC MARC code UY  | 
| ITU Maritime ID 770  | 
ITU letter code URG  | 
FIPS country code UY  | 
License plate code ROU  | 
| GS1 GTIN prefix 773  | 
UNDP country code URU  | 
WMO country code UY  | 
ITU callsign prefixes CVA-CXZ  | 
 Uzbekistan
| ISO 3166-1 numeric 860  | 
ISO 3166-1 alpha-3 UZB  | 
ISO 3166-1 alpha-2 UZ  | 
ICAO airport code prefix UT  | 
| E.164 code 998  | 
IOC country code UZB  | 
Country code top-level domain .uz  | 
ICAO aircraft regis. prefix UK-  | 
| E.212 mobile country code 434  | 
NATO three-letter code UZB  | 
NATO two-letter code UZ  | 
LOC MARC code UZ  | 
| ITU Maritime ID —  | 
ITU letter code UZB  | 
FIPS country code UZ  | 
License plate code UZ  | 
| GS1 GTIN prefix 478  | 
UNDP country code UZB  | 
WMO country code UZ  | 
ITU callsign prefixes UJA-UMZ  | 
 Vanuatu
| ISO 3166-1 numeric 548  | 
ISO 3166-1 alpha-3 VUT  | 
ISO 3166-1 alpha-2 VU  | 
ICAO airport code prefix NV  | 
| E.164 code 678  | 
IOC country code VAN  | 
Country code top-level domain .vu  | 
ICAO aircraft regis. prefix YJ-  | 
| E.212 mobile country code 541  | 
NATO three-letter code VUT  | 
NATO two-letter code NH  | 
LOC MARC code NN  | 
| ITU Maritime ID 576  | 
ITU letter code VUT  | 
FIPS country code NH  | 
License plate code VU (unofficial)  | 
| GS1 GTIN prefix —  | 
UNDP country code VAN  | 
WMO country code NV  | 
ITU callsign prefixes YJA-YJZ  | 
 Vatican City
| ISO 3166-1 numeric 336  | 
ISO 3166-1 alpha-3 VAT  | 
ISO 3166-1 alpha-2 VA  | 
ICAO airport code prefix —  | 
| E.164 code | 
IOC country code —  | 
Country code top-level domain .va  | 
ICAO aircraft regis. prefix HV-  | 
| E.212 mobile country code 225  | 
NATO three-letter code VAT  | 
NATO two-letter code VT  | 
LOC MARC code VC  | 
| ITU Maritime ID 208  | 
ITU letter code CVA  | 
FIPS country code VT  | 
License plate code V  | 
| GS1 GTIN prefix —  | 
UNDP country code | 
WMO country code —  | 
ITU callsign prefixes HVA-HVZ  | 
 Venezuela
| ISO 3166-1 numeric 862  | 
ISO 3166-1 alpha-3 VEN  | 
ISO 3166-1 alpha-2 VE  | 
ICAO airport code prefix SV  | 
| E.164 code 58  | 
IOC country code VEN  | 
Country code top-level domain .ve  | 
ICAO aircraft regis. prefix YV-  | 
| E.212 mobile country code 734  | 
NATO three-letter code VEN  | 
NATO two-letter code VE  | 
LOC MARC code VE  | 
| ITU Maritime ID 775  | 
ITU letter code VEN  | 
FIPS country code VE  | 
License plate code YV  | 
| GS1 GTIN prefix 759  | 
UNDP country code VEN  | 
WMO country code VN  | 
ITU callsign prefixes 4MA-4MZ, YVA-YYZ  | 
 Vietnam
| ISO 3166-1 numeric 704  | 
ISO 3166-1 alpha-3 VNM  | 
ISO 3166-1 alpha-2 VN  | 
ICAO airport code prefix VV  | 
| E.164 code 84  | 
IOC country code VIE  | 
Country code top-level domain .vn  | 
ICAO aircraft regis. prefix VN-  | 
| E.212 mobile country code 452  | 
NATO three-letter code VNM  | 
NATO two-letter code VN  | 
LOC MARC code VM  | 
| ITU Maritime ID 574  | 
ITU letter code VTN  | 
FIPS country code VM  | 
License plate code VN  | 
| GS1 GTIN prefix 893  | 
UNDP country code VIE  | 
WMO country code VS  | 
ITU callsign prefixes 3WA-3WZ, XVA-XVZ  | 
 British Virgin Islands (territory of the UK)
| ISO 3166-1 numeric 092  | 
ISO 3166-1 alpha-3 VGB  | 
ISO 3166-1 alpha-2 VG  | 
ICAO airport code prefix TU  | 
| E.164 code 1  | 
IOC country code IVB  | 
Country code top-level domain .vg  | 
ICAO aircraft regis. prefix VP-LV-  | 
| E.212 mobile country code 348  | 
NATO three-letter code VGB  | 
NATO two-letter code VS  | 
LOC MARC code VB  | 
| ITU Maritime ID 378  | 
ITU letter code VRG  | 
FIPS country code VI  | 
License plate code BVI  | 
| GS1 GTIN prefix —  | 
UNDP country code BVI  | 
WMO country code VG  | 
ITU callsign prefixes —  | 
 United States Virgin Islands (territory of the USA)
| ISO 3166-1 numeric 850  | 
ISO 3166-1 alpha-3 VIR  | 
ISO 3166-1 alpha-2 VI  | 
ICAO airport code prefix MI, TI  | 
| E.164 code 1  | 
IOC country code ISV  | 
Country code top-level domain .vi  | 
ICAO aircraft regis. prefix N-  | 
| E.212 mobile country code 332  | 
NATO three-letter code VIR  | 
NATO two-letter code VI  | 
LOC MARC code VI  | 
| ITU Maritime ID 379  | 
ITU letter code VIR  | 
FIPS country code VQ  | 
License plate code —  | 
| GS1 GTIN prefix —  | 
UNDP country code UVI  | 
WMO country code VI  | 
ITU callsign prefixes —  | 
 Wallis and Futuna (territory of France)
| ISO 3166-1 numeric 876  | 
ISO 3166-1 alpha-3 WLF  | 
ISO 3166-1 alpha-2 WF  | 
ICAO airport code prefix NL  | 
| E.164 code 681  | 
IOC country code —  | 
Country code top-level domain .wf  | 
ICAO aircraft regis. prefix F-  | 
| E.212 mobile country code 543  | 
NATO three-letter code WLF  | 
NATO two-letter code WF  | 
LOC MARC code WF  | 
| ITU Maritime ID 578  | 
ITU letter code WAL  | 
FIPS country code WF  | 
License plate code F  | 
| GS1 GTIN prefix —  | 
UNDP country code WFI  | 
WMO country code FW  | 
ITU callsign prefixes —  | 
 Western Sahara (territory of Morocco)
| ISO 3166-1 numeric 732  | 
ISO 3166-1 alpha-3 ESH  | 
ISO 3166-1 alpha-2 EH  | 
ICAO airport code prefix GS  | 
| E.164 code 212  | 
IOC country code —  | 
Country code top-level domain —  | 
ICAO aircraft regis. prefix CN-  | 
| E.212 mobile country code 604  | 
NATO three-letter code ESH  | 
NATO two-letter code WI  | 
LOC MARC code SS  | 
| ITU Maritime ID —  | 
ITU letter code AOE  | 
FIPS country code WI  | 
License plate code ME(?)  | 
| GS1 GTIN prefix —  | 
UNDP country code SAH  | 
WMO country code EH  | 
ITU callsign prefixes —  | 
 Yemen
| ISO 3166-1 numeric 887  | 
ISO 3166-1 alpha-3 YEM  | 
ISO 3166-1 alpha-2 YE  | 
ICAO airport code prefix OY  | 
| E.164 code 967  | 
IOC country code YEM  | 
Country code top-level domain .ye  | 
ICAO aircraft regis. prefix 7O-  | 
| E.212 mobile country code 421  | 
NATO three-letter code YEM  | 
NATO two-letter code YE  | 
LOC MARC code YE  | 
| ITU Maritime ID 473, 475  | 
ITU letter code YEM  | 
FIPS country code YM  | 
License plate code YEM  | 
| GS1 GTIN prefix —  | 
UNDP country code YEM  | 
WMO country code YE  | 
ITU callsign prefixes 7OA-7OZ  | 
 Zambia
| ISO 3166-1 numeric 894  | 
ISO 3166-1 alpha-3 ZMB  | 
ISO 3166-1 alpha-2 ZM  | 
ICAO airport code prefix FL  | 
| E.164 code 260  | 
IOC country code ZAM  | 
Country code top-level domain .zm  | 
ICAO aircraft regis. prefix 9J-  | 
| E.212 mobile country code 645  | 
NATO three-letter code ZMB  | 
NATO two-letter code ZA  | 
LOC MARC code ZA  | 
| ITU Maritime ID 678  | 
ITU letter code ZMB  | 
FIPS country code ZA  | 
License plate code ZM  | 
| GS1 GTIN prefix —  | 
UNDP country code ZAM  | 
WMO country code ZB  | 
ITU callsign prefixes 9IA-9JZ  | 
 Zimbabwe
| ISO 3166-1 numeric 716  | 
ISO 3166-1 alpha-3 ZWE  | 
ISO 3166-1 alpha-2 ZW  | 
ICAO airport code prefix FV  | 
| E.164 code 263  | 
IOC country code ZIM  | 
Country code top-level domain .zw  | 
ICAO aircraft regis. prefix Z-  | 
| E.212 mobile country code 648  | 
NATO three-letter code ZWE  | 
NATO two-letter code ZI  | 
LOC MARC code RH  | 
| ITU Maritime ID 679  | 
ITU letter code ZWE  | 
FIPS country code ZI  | 
License plate code ZW  | 
| GS1 GTIN prefix —  | 
UNDP country code ZIM  | 
WMO country code ZW  | 
ITU callsign prefixes Z2A-Z2Z  |