This is a list of country calling codes defined by ITU-T recommendation E.164.
Zone 1 – North American Numbering Plan Area
The plus sign (+) indicates the code required to dial out of your local area; for example, in the United Kingdom, you use 00 to dial out and 1 to call the United States with the complete format being 00-1-xxx-xxx-xxxx
Zone 2 – Mostly Africa, some Atlantic and Indian Ocean islands
Zone 3 – Europe (particularly southern or small countries)
Originally larger countries, such as the United Kingdom or France, were assigned two-digit codes (to compensate for their usually longer domestic numbers) and small countries, such as Iceland, were assigned three-digit codes; however since the 1980s all new assignments have been three-digit regardless of countries’ sizes.
Zone 4 – Europe (particularly northern countries)
Zone 7 – Russia and Kazakhstan
Zone 8 – East Asia and Special Services
- +800 – International Freephone (UIFN)
- +801 – unassigned
- +802 – unassigned
- +803 – unassigned
- +804 – unassigned
- +805 – unassigned
- +806 – unassigned
- +807 – unassigned
- +808 – reserved for Shared Cost Services
- +81 – Japan
- +82 – South Korea
- +83x – unassigned
- +84 – Vietnam
- +850 – North Korea
- +851 – unassigned
- +852 – Hong Kong
- +853 – Macau
- +854 – unassigned
- +855 – Cambodia
- +856 – Laos
- +857 – unassigned
- +858 – unassigned
- +859 – unassigned
- +86 – People's Republic of China (mainland only)
- +870 – Inmarsat "SNAC" service
- +871 – Inmarsat (Atlantic East)
- +872 – Inmarsat (Pacific)
- +873 – Inmarsat (Indian)
- +874 – Inmarsat (Atlantic West)
- +875 – reserved for Maritime Mobile service
- +876 – reserved for Maritime Mobile service
- +877 – reserved for Maritime Mobile service
- +878 – Universal Personal Telecommunications services
- +879 – reserved for national non-commercial purposes
- +880 – Bangladesh
- +881 – Global Mobile Satellite System
- +882 – International Networks
- +883 – International Networks
- +884 – unassigned
- +885 – unassigned
- +886 – Taiwan, Republic of China - listed by ITU as " Reserved "
- +887 – unassigned
- +888 – Telecommunications for Disaster Relief by OCHA
- +889 – unassigned
- +89x – unassigned
Zone 9 – West, South and Central Asia, Middle East
Zone 0 – unassigned
Locations with no country code
- Antarctica, Dialing is dependent on the parent country of each base, e.g. McMurdo Station and Scott Base are via New Zealand. See also Amundsen-Scott Station, List of research stations in Antarctica.
- Kerguelen Archipelago (no permanent local switches)
- Pitcairn Island (no connections to local switching; only satellite phones are dialable)
CCITT, the predecessor of the ITU Telecommunication Standardization Sector (ITU-T), developed the first formal list of telephone country codes. This list was included in the 1964 CCITT Blue Book, among other international telecommunication recommendations, which would eventually become ITU-T recommendation E.164.
An earlier system of country codes for European use was mentioned in the 1960 CCITT Red Book. Some of these country codes were retained in the CCITT country code assignments and remain in effect (e.g. France +33, United Kingdom +44).
For further details on country code history and development, see History of Country Codes (WTNG).
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