Country codes: H–I

Haiti

ISO 3166-1 numeric 332	ISO 3166-1 alpha-3 HTI	ISO 3166-1 alpha-2 HT	ICAO airport code prefix MT
E.164 code 509	IOC country code HAI	Country code top-level domain .ht	ICAO aircraft regis. prefix HH-
E.212 mobile country code 372	NATO three-letter code HTI	NATO two-letter code HA	LOC MARC code HT
ITU Maritime ID 336	ITU letter code HTI	FIPS country code HA	License plate code RH
GS1 GTIN prefix —	UNDP country code HAI	WMO country code HA	ITU callsign prefixes 4VA-4VZ, HHA-HHZ

Heard Island and McDonald Islands (territory of Australia)

ISO 3166-1 numeric 334	ISO 3166-1 alpha-3 HMD	ISO 3166-1 alpha-2 HM	ICAO airport code prefix —
E.164 code 672	IOC country code —	Country code top-level domain .hm	ICAO aircraft regis. prefix VH-
E.212 mobile country code 505	NATO three-letter code HMD	NATO two-letter code HM	LOC MARC code HM
ITU Maritime ID —	ITU letter code HMD	FIPS country code HM	License plate code —
GS1 GTIN prefix —	UNDP country code —	WMO country code —	ITU callsign prefixes —

Honduras

ISO 3166-1 numeric 340	ISO 3166-1 alpha-3 HND	ISO 3166-1 alpha-2 HN	ICAO airport code prefix MH
E.164 code 504	IOC country code HON	Country code top-level domain .hn	ICAO aircraft regis. prefix HR-
E.212 mobile country code 708	NATO three-letter code HND	NATO two-letter code HO	LOC MARC code HO
ITU Maritime ID 334	ITU letter code HND	FIPS country code HO	License plate code HN (unofficial)
GS1 GTIN prefix 742	UNDP country code HON	WMO country code HO	ITU callsign prefixes HQA-HRZ

Hong Kong (region of China)

ISO 3166-1 numeric 344	ISO 3166-1 alpha-3 HKG	ISO 3166-1 alpha-2 HK	ICAO airport code prefix VH
E.164 code 852	IOC country code HKG	Country code top-level domain .hk	ICAO aircraft regis. prefix B-H/B-K/B-L
E.212 mobile country code 454	NATO three-letter code HKG	NATO two-letter code HK	LOC MARC code HK
ITU Maritime ID 477	ITU letter code HKG	FIPS country code HK	License plate code HK (officially obsolete)
GS1 GTIN prefix 489	UNDP country code HOK	WMO country code HK	ITU callsign prefixes VRA-VRZ

Hungary

ISO 3166-1 numeric 348	ISO 3166-1 alpha-3 HUN	ISO 3166-1 alpha-2 HU	ICAO airport code prefix LH
E.164 code 36	IOC country code HUN	Country code top-level domain .hu	ICAO aircraft regis. prefix HA-
E.212 mobile country code 216	NATO three-letter code HUN	NATO two-letter code HU	LOC MARC code HU
ITU Maritime ID 243	ITU letter code HNG	FIPS country code HU	License plate code H
GS1 GTIN prefix 599	UNDP country code HUN	WMO country code HU	ITU callsign prefixes HAA-HGZ

Iceland

ISO 3166-1 numeric 352	ISO 3166-1 alpha-3 ISL	ISO 3166-1 alpha-2 IS	ICAO airport code prefix BI
E.164 code 354	IOC country code ISL	Country code top-level domain .is	ICAO aircraft regis. prefix TF-
E.212 mobile country code 274	NATO three-letter code ISL	NATO two-letter code IC	LOC MARC code IC
ITU Maritime ID 251	ITU letter code ISL	FIPS country code IC	License plate code IS
GS1 GTIN prefix 569	UNDP country code ICE	WMO country code IL	ITU callsign prefixes TFA-TFZ

India

ISO 3166-1 numeric 356	ISO 3166-1 alpha-3 IND	ISO 3166-1 alpha-2 IN	ICAO airport code prefix VA, VE, VI, VO
E.164 code 91	IOC country code IND	Country code top-level domain .in	ICAO aircraft regis. prefix VT-
E.212 mobile country code 404	NATO three-letter code IND	NATO two-letter code IN	LOC MARC code II
ITU Maritime ID 419	ITU letter code IND	FIPS country code IN	License plate code IND
GS1 GTIN prefix 890	UNDP country code IND	WMO country code IN	ITU callsign prefixes 8TA-8YZ, ATA-AWZ, VTA-VWZ

Indonesia

ISO 3166-1 numeric 360	ISO 3166-1 alpha-3 IDN	ISO 3166-1 alpha-2 ID	ICAO airport code prefix WA, WI
E.164 code 62	IOC country code INA	Country code top-level domain .id	ICAO aircraft regis. prefix PK-
E.212 mobile country code 510	NATO three-letter code IDN	NATO two-letter code ID	LOC MARC code IO
ITU Maritime ID 525	ITU letter code INS	FIPS country code ID	License plate code RI
GS1 GTIN prefix 899	UNDP country code INS	WMO country code ID	ITU callsign prefixes 7AA-7IZ, 8AA-8IZ, JZA-JZZ, PKA-POZ, YBA-YHZ

Iran

ISO 3166-1 numeric 364	ISO 3166-1 alpha-3 IRN	ISO 3166-1 alpha-2 IR	ICAO airport code prefix OI
E.164 code 98	IOC country code IRI	Country code top-level domain .ir	ICAO aircraft regis. prefix EP-
E.212 mobile country code 432	NATO three-letter code IRN	NATO two-letter code IR	LOC MARC code IR
ITU Maritime ID 422	ITU letter code IRN	FIPS country code IR	License plate code IR
GS1 GTIN prefix 626	UNDP country code IRA	WMO country code IR	ITU callsign prefixes 9BA-9DZ, EPA-EQZ

Iraq

ISO 3166-1 numeric 368	ISO 3166-1 alpha-3 IRQ	ISO 3166-1 alpha-2 IQ	ICAO airport code prefix OR
E.164 code 964	IOC country code IRQ	Country code top-level domain .iq	ICAO aircraft regis. prefix YI-
E.212 mobile country code 418	NATO three-letter code IRQ	NATO two-letter code IZ	LOC MARC code IQ
ITU Maritime ID 425	ITU letter code IRQ	FIPS country code IZ	License plate code IRQ
GS1 GTIN prefix —	UNDP country code IRQ	WMO country code IQ	ITU callsign prefixes HNA-HNZ, YIA-YIZ

Ireland

ISO 3166-1 numeric 372	ISO 3166-1 alpha-3 IRL	ISO 3166-1 alpha-2 IE	ICAO airport code prefix EI
E.164 code 353	IOC country code IRL	Country code top-level domain .ie	ICAO aircraft regis. prefix EI-
E.212 mobile country code 272	NATO three-letter code IRL	NATO two-letter code EI	LOC MARC code IE
ITU Maritime ID 250	ITU letter code IRL	FIPS country code EI	License plate code IRL
GS1 GTIN prefix 539	UNDP country code IRE	WMO country code IE	ITU callsign prefixes EIA-EJZ

Israel

ISO 3166-1 numeric 376	ISO 3166-1 alpha-3 ISR	ISO 3166-1 alpha-2 IL	ICAO airport code prefix LL
E.164 code 972	IOC country code ISR	Country code top-level domain .il	ICAO aircraft regis. prefix 4X-
E.212 mobile country code 425	NATO three-letter code ISR	NATO two-letter code IS	LOC MARC code IS
ITU Maritime ID 428	ITU letter code ISR	FIPS country code IS	License plate code IL
GS1 GTIN prefix 729	UNDP country code ISR	WMO country code IS	ITU callsign prefixes 4XA-4XZ, 4ZA,4ZZ

Italy

ISO 3166-1 numeric 380	ISO 3166-1 alpha-3 ITA	ISO 3166-1 alpha-2 IT	ICAO airport code prefix LI
E.164 code 39	IOC country code ITA	Country code top-level domain .it	ICAO aircraft regis. prefix I-
E.212 mobile country code 222	NATO three-letter code ITA	NATO two-letter code IT	LOC MARC code IT
ITU Maritime ID 247	ITU letter code I	FIPS country code IT	License plate code I
GS1 GTIN prefix 800-839	UNDP country code ITA	WMO country code IY	ITU callsign prefixes IAA-IZZ

Ivory Coast

ISO 3166-1 numeric 384	ISO 3166-1 alpha-3 CIV	ISO 3166-1 alpha-2 CI	ICAO airport code prefix DI
E.164 code 225	IOC country code CIV	Country code top-level domain .ci	ICAO aircraft regis. prefix TU-
E.212 mobile country code 612	NATO three-letter code CIV	NATO two-letter code IV	LOC MARC code IV
ITU Maritime ID 619	ITU letter code CTI	FIPS country code IV	License plate code CI
GS1 GTIN prefix 618	UNDP country code IVC	WMO country code IV	ITU callsign prefixes TUA-TUZ