Country codes: D–E
 Denmark
 Denmark
    
 Denmark
 Denmark| ISO 3166-1 numeric 208 | ISO 3166-1 alpha-3 DNK | ISO 3166-1 alpha-2 DK | ICAO airport code prefix(es) | 
| E.164 code(s) +45 | IOC country code DEN | Country code top-level domain .dk | ICAO aircraft regis. prefix(es) OY- | 
| E.212 mobile country code(s) 238 | NATO Three-letter code DNK | NATO Two-letter code (obsolete) DA | LOC MARC code(s) DK | 
| ITU Maritime ID(s) 219, 220 | ITU letter code(s) DNK | FIPS country code(s) DA | License plate code DK | 
| GS1 GTIN prefix(es) 570-579 | UNDP country code DEN | WMO country code(s) DN | ITU callsign prefixes 5PA-5QZ,OUA-OZZ,XPA-XPZ | 
 Djibouti
 Djibouti
    
 Djibouti
 Djibouti| ISO 3166-1 numeric 262 | ISO 3166-1 alpha-3 DJI | ISO 3166-1 alpha-2 DJ | ICAO airport code prefix(es) HD | 
| E.164 code(s) +253 | IOC country code DJI | Country code top-level domain .dj | ICAO aircraft regis. prefix(es) J2- | 
| E.212 mobile country code(s) 638 | NATO Three-letter code DJI | NATO Two-letter code (obsolete) DJ | LOC MARC code(s) FT | 
| ITU Maritime ID(s) 621 | ITU letter code(s) DJI | FIPS country code(s) DJ | License plate code DJI (unofficial) | 
| GS1 GTIN prefix(es) — | UNDP country code DJI | WMO country code(s) DJ | ITU callsign prefixes J2A-J2Z | 
 Dominica
 Dominica
    
 Dominica
 Dominica| ISO 3166-1 numeric 212 | ISO 3166-1 alpha-3 DMA | ISO 3166-1 alpha-2 DM | ICAO airport code prefix(es) TD | 
| E.164 code(s) +1 767 | IOC country code DMA | Country code top-level domain .dm | ICAO aircraft regis. prefix(es) J7- | 
| E.212 mobile country code(s) 356 | NATO Three-letter code DMA | NATO Two-letter code (obsolete) DO | LOC MARC code(s) DQ | 
| ITU Maritime ID(s) 325 | ITU letter code(s) DMA | FIPS country code(s) DO | License plate code WD | 
| GS1 GTIN prefix(es) — | UNDP country code DMI | WMO country code(s) DO | ITU callsign prefixes J7A-J7Z | 
 Dominican Republic
 Dominican Republic
    
 Dominican Republic
 Dominican Republic| ISO 3166-1 numeric 214 | ISO 3166-1 alpha-3 DOM | ISO 3166-1 alpha-2 DO | ICAO airport code prefix(es) MD | 
| E.164 code(s) +1 809, +1 829, +1 849 | IOC country code DOM | Country code top-level domain .do | ICAO aircraft regis. prefix(es) HI- | 
| E.212 mobile country code(s) 370 | NATO Three-letter code DOM | NATO Two-letter code (obsolete) DR | LOC MARC code(s) DR | 
| ITU Maritime ID(s) 327 | ITU letter code(s) DOM | FIPS country code(s) DR | License plate code DOM | 
| GS1 GTIN prefix(es) 746 | UNDP country code DOM | WMO country code(s) DR | ITU callsign prefixes HIA-HIZ | 
 Ecuador
 Ecuador
    
 Ecuador
 Ecuador| ISO 3166-1 numeric 218 | ISO 3166-1 alpha-3 ECU | ISO 3166-1 alpha-2 EC | ICAO airport code prefix(es) SE | 
| E.164 code(s) +593 | IOC country code ECU | Country code top-level domain .ec | ICAO aircraft regis. prefix(es) HC- | 
| E.212 mobile country code(s) 740 | NATO Three-letter code ECU | NATO Two-letter code (obsolete) EC | LOC MARC code(s) EC | 
| ITU Maritime ID(s) 735 | ITU letter code(s) EQA | FIPS country code(s) EC | License plate code EC | 
| GS1 GTIN prefix(es) 786 | UNDP country code ECU | WMO country code(s) EQ | ITU callsign prefixes HCA-HDZ | 
 Egypt
 Egypt
    
 Egypt
 Egypt| ISO 3166-1 numeric 818 | ISO 3166-1 alpha-3 EGY | ISO 3166-1 alpha-2 EG | ICAO airport code prefix(es) HE | 
| E.164 code(s) +20 | IOC country code EGY | Country code top-level domain .eg | ICAO aircraft regis. prefix(es) SU- | 
| E.212 mobile country code(s) 602 | NATO Three-letter code EGY | NATO Two-letter code (obsolete) EG | LOC MARC code(s) UA | 
| ITU Maritime ID(s) 622 | ITU letter code(s) EGY | FIPS country code(s) EG | License plate code ET | 
| GS1 GTIN prefix(es) 622 | UNDP country code EGY | WMO country code(s) EG | ITU callsign prefixes 6AA-6BZ,SSA-SSM,SUA-SUZ | 
 El Salvador
 El Salvador
    
 El Salvador
 El Salvador| ISO 3166-1 numeric 222 | ISO 3166-1 alpha-3 SLV | ISO 3166-1 alpha-2 SV | ICAO airport code prefix(es) MS | 
| E.164 code(s) +503 | IOC country code ESA | Country code top-level domain .sv | ICAO aircraft regis. prefix(es) YS- | 
| E.212 mobile country code(s) 706 | NATO Three-letter code SLV | NATO Two-letter code (obsolete) ES | LOC MARC code(s) ES | 
| ITU Maritime ID(s) 359 | ITU letter code(s) SLV | FIPS country code(s) ES | License plate code ES | 
| GS1 GTIN prefix(es) 741 | UNDP country code ELS | WMO country code(s) ES | ITU callsign prefixes HUA-HUZ, YSA-YSZ | 
 Equatorial Guinea
 Equatorial Guinea
    
 Equatorial Guinea
 Equatorial Guinea| ISO 3166-1 numeric 226 | ISO 3166-1 alpha-3 GNQ | ISO 3166-1 alpha-2 GQ | ICAO airport code prefix(es) FG | 
| E.164 code(s) +240 | IOC country code GEQ | Country code top-level domain .gq | ICAO aircraft regis. prefix(es) 3C- | 
| E.212 mobile country code(s) 627 | NATO Three-letter code GNQ | NATO Two-letter code (obsolete) EK | LOC MARC code(s) EG | 
| ITU Maritime ID(s) 631 | ITU letter code(s) GNE | FIPS country code(s) EK | License plate code GQ (unofficial) | 
| GS1 GTIN prefix(es) — | UNDP country code EQG | WMO country code(s) GQ | ITU callsign prefixes 3CA-3CZ | 
 Eritrea
 Eritrea
    
 Eritrea
 Eritrea| ISO 3166-1 numeric 232 | ISO 3166-1 alpha-3 ERI | ISO 3166-1 alpha-2 ER | ICAO airport code prefix(es) HH | 
| E.164 code(s) +291 | IOC country code ERI | Country code top-level domain .er | ICAO aircraft regis. prefix(es) E3- | 
| E.212 mobile country code(s) 657 | NATO Three-letter code ERI | NATO Two-letter code (obsolete) ER | LOC MARC code(s) EA | 
| ITU Maritime ID(s) 625 | ITU letter code(s) ERI | FIPS country code(s) ER | License plate code ER | 
| GS1 GTIN prefix(es) — | UNDP country code ERI | WMO country code(s) E12 | ITU callsign prefixes E3A-E3Z | 
 Estonia
 Estonia
    
 Estonia
 Estonia| ISO 3166-1 numeric 233 | ISO 3166-1 alpha-3 EST | ISO 3166-1 alpha-2 EE | ICAO airport code prefix(es) EE | 
| E.164 code(s) +372 | IOC country code EST | Country code top-level domain .ee | ICAO aircraft regis. prefix(es) ES- | 
| E.212 mobile country code(s) 248 | NATO Three-letter code EST | NATO Two-letter code (obsolete) EN | LOC MARC code(s) ER | 
| ITU Maritime ID(s) 276 | ITU letter code(s) EST | FIPS country code(s) EN | License plate code EST | 
| GS1 GTIN prefix(es) 474 | UNDP country code EST | WMO country code(s) EO | ITU callsign prefixes ESA-ESZ | 
 Eswatini
 Eswatini
    
 Eswatini
 Eswatini| ISO 3166-1 numeric 748 | ISO 3166-1 alpha-3 SWZ | ISO 3166-1 alpha-2 SZ | ICAO airport code prefix(es) FD | 
| E.164 code(s) +268 | IOC country code SWZ | Country code top-level domain .sz | ICAO aircraft regis. prefix(es) 3D- | 
| E.212 mobile country code(s) 653 | NATO Three-letter code SWZ | NATO Two-letter code (obsolete) WZ | LOC MARC code(s) SQ | 
| ITU Maritime ID(s) 669 | ITU letter code(s) SWZ | FIPS country code(s) WZ | License plate code SD | 
| GS1 GTIN prefix(es) — | UNDP country code SWA | WMO country code(s) SV | ITU callsign prefixes 3DA-3DM | 
 Ethiopia
 Ethiopia
    
 Ethiopia
 Ethiopia| ISO 3166-1 numeric 231 | ISO 3166-1 alpha-3 ETH | ISO 3166-1 alpha-2 ET | ICAO airport code prefix(es) HA | 
| E.164 code(s) +251 | IOC country code ETH | Country code top-level domain .et | ICAO aircraft regis. prefix(es) ET- | 
| E.212 mobile country code(s) 636 | NATO Three-letter code ETH | NATO Two-letter code (obsolete) ET | LOC MARC code(s) ET | 
| ITU Maritime ID(s) 624 | ITU letter code(s) ETH | FIPS country code(s) ET | License plate code ETH | 
| GS1 GTIN prefix(es) — | UNDP country code ETH | WMO country code(s) ET | ITU callsign prefixes 9EA-9FZ, ETA-ETZ | 
Notes
    
- BG is Greenland