This list shows an overview of postal code notation schemes for all countries that have postal or ZIP Code systems.

List

The Area format is used for large regions, such as municipalities. The Street level format is used for more specific locations, like streets or blocks. Not all countries use both formats. When both are available, the Area format usually serves as a prefix to the Street level format.

Legend A = letter N = number ? = letter or number CC = ISO 3166-1 alpha-2 country code

Country or territoryIn use since / from ... toISOArea formatStreet level formatNote Afghanistan AF NNNN The first two digits (ranging from 10 to 43) correspond to the province, while the last two digits correspond either to the city/delivery zone (range 01–50) or to the district/delivery zone (range 51–99). Åland AX NNNNN, CC-NNNNN With Finland, first two numbers are 22. CC-NNNNN used from abroad. Albania AL NNNN Introduced in 2006, gradually implemented throughout 2007. Algeria DZ NNNNN First two as in ISO 3166-2:DZ American Samoa AS NNNNN, NNNNN-NNNN U.S. ZIP codes (range 96799) Andorra AD CCNNN Each parish now has its own post code. Angola AO no codes Anguilla AI AI-2640 Single code used for all addresses. Antigua and Barbuda AG no codes Argentina 1974, modified 1999 AR NNNN, ANNNN, ANNNNAAA 1974–1998 NNNN, and from 1999 ANNNNAAA. Codigo Postal Argentino (CPA), where the first A is the province code as in ISO 3166-2:AR, the four numbers are the old postal codes, the three last letters indicate a side of the block. Previously NNNN which is the minimum requirement as of 2006, but ANNNNAAA is not mandatory. Armenia AM NNNN Previously used NNNNNN system inherited from former Soviet Union. Aruba AW no codes Australia AU NNNN In general, the first digit identifies the state or territory. Austria AT NNNN The first digit denotes regions, which are partly identical to one of the nine provinces—called Bundesländer; the last the nearest post office in the area. Azerbaijan AZ CC NNNN Previously used NNNNNN system inherited from former Soviet Union. Bahamas BS no codes Bahamas used Post Office system instead of Postal Code Bahrain BH NNN, NNNN Valid post code numbers are 101 to 1216 with gaps in the range. Known as block number () formally. The first digit in NNN format and the first two digits in NNNN format refer to one of the 12 municipalities of the country. PO Box address does not need a block number or city name, just the PO Box number followed by the name of the country, Bahrain. Bangladesh BD NNNN Barbados BB CCNNNNN 5 digit postal code preceded by BB Belarus BY NNNNNN Retained system inherited from former Soviet Union. Belgium BE NNNN In general, the first digit gives the province. Belize BZ no codes Benin BJ no codes Bermuda BM no codes AA NN, AA AA AA NN for street addresses, AA AA for P.O. Box addresses. The second half of the postcode identifies the street delivery walk (e.g.: Hamilton HM 12) or the PO Box number range (e.g.: Hamilton HM BX). See Postal codes in Bermuda. Bhutan BT NNNNN Written Behind the village name. Digits: postal region (Dzongdey), district (Dzongkhag), sub district (Dungkhag), delivery area (two digits). Bolivia BO no codes Bonaire, Sint Eustatius and Saba BQ no codes Bosnia and Herzegovina BA NNNNN Botswana BW no codes Brazil BR NNNNN, NNNNN-NNN NNNNN-NNN NNNNN only from 1971 to 1992. Código de Endereçamento Postal (CEP): -000 to -899 are used for streets, roads, avenues, boulevards; -900 to -959 are used for buildings with a high postal use; -960 to -969 are for promotional use; -970 to -989 are post offices and regular P.O. boxes; and -990 to -998 are used for community P.O. boxes. -999 is used for special services. British Antarctic Territory AQ BIQQ 1ZZ One code for all addresses (AAAA NAA). UK territory, but not UK postcode. British Indian Ocean Territory IO BBND 1ZZ One code for all addresses (AAAA NAA). UK territory, but not UK postcode. British Virgin Islands VG CCNNNN Specifically, VG1110 through VG1160 Brunei BN AANNNN Bulgaria BG NNNN Burkina Faso BF no codes Burundi BI no codes Cambodia Updated 2017 KH NNNNNN Cambodia Post [EMS] Cameroon CM no codes Canada 1971–1975 CA ANA NAN The system was gradually introduced starting in April 1971 in Ottawa. The letters D, F, I, O, Q, and U are not used to avoid confusion with other letters or numbers. Cape Verde CV NNNN The first digit indicates the island. Cayman Islands KY CCN-NNNN Central African Republic CF no codes Chad TD no codes Chile CL NNNNNNN, NNN-NNNN May only be required for bulk mail. China CN NNNNNN A postal code or yóu biān (邮编) in a subordinate division will have the same first two digits as its governing one (see Political divisions of China. The postal services in Macau or Hong Kong Special Administrative Regions remain separate from Mainland China, with no post code system currently used. Christmas Island CX NNNN Part of the Australian postal code system. Cocos (Keeling) Island CC NNNN Part of the Australian postal code system. Colombia CO NNNNNN First NN = 32 departments Comoros KM no codes Congo (Brazzaville) CG no codes Congo, Democratic Republic CD no codes Cook Islands CK no codes Costa Rica CR NNNNN NNNNN-NNNN Was NNNN until 2007. First codes the provinces, next two the canton, last two the district. Côte d'Ivoire (Ivory Coast) CI no codes Croatia HR NNNNN Cuba CU NNNNN May only be required for bulk mail. The letters CP are frequently used before the postal code. This is not a country code, but an abbreviation for "codigo postal" or postal code. Curaçao CW no codes Cyprus CY NNNN The postal code system covers the whole island, but is not used on mail to Northern Cyprus. Northern Cyprus uses a 5-digit code commencing 99, introduced in 2013. For mail sent there from abroad, the line "Mersin 10" is written on the line above that containing the postal code, and the country name used is "Turkey". Czech Republic CZ NNN NN With Slovak Republic, Poštovní směrovací číslo (PSČ) – postal routing number. The first digit is from the range 1–7. Denmark DK NNNN Numbering follows the dispatch of postal trains from Copenhagen. Also used by Greenland, e.g.: DK-3900 Nuuk. Djibouti DJ no codes Dominica DM no codes Dominican Republic DO NNNNN East Timor TL no codes No postal code system in use since Indonesian withdrawal in 1999. Ecuador EC NNNNNN El Salvador SV NNNN Egypt EG NNNNNNN Equatorial Guinea GQ no codes Eritrea ER no codes Estonia EE NNNNN Eswatini SZ ANNN The letter identifies one of the country's four districts, either H, M, S or L. The four district regions are Hhohho region (H), Manzini region (M), Shiselweni region (S), and Lumombo region (L). Ethiopia ET NNNN The code is only used on a trial basis for Addis Ababa addresses. Falkland Islands FK FIQQ 1ZZ Single code (AAAA NAA). UK territory, but not UK postcode Faroe Islands FO CC-NNN 3-digit postal code preceded by FO. Self-governing territory within the Kingdom of Denmark, but does not use Danish postal codes, and is addressed internationally as Faroe Islands, not Denmark. Fiji FJ no codes Finland FI NNNNN A lower first digit indicates a place in south (for example 00100 Helsinki), a higher indicates a place further to north (99800 in Ivalo). The last digit is usually 0, except for postal codes for PO Box number ranges, in which case it is 1. Country code for Finland: "FI". In Åland, the postal code is prefixed with "AX", not "FI". Some postal codes for rural settlements may end with 5, and there are some unique postal codes for large companies and institutions, e.g. 00014 HELSINGIN YLIOPISTO (university), 00102 EDUSKUNTA (parliament), 00020 NORDEA (a major Scandinavian bank). France FR NNNNN The first two digits give the département number, while in Paris, Lyon and Marseille, the last two digits of the postal code indicate the arrondissement. Both of the 2 Corsican départements use "20" as the first two digits. Also used by French overseas departments and territories. Monaco is also part of the French postal code system, but the country code MC- is used for Monegasque addresses. French Guiana GF 973NN Overseas Department of France. French codes used. Range 97300 – 97390. French Polynesia PF 987NN Overseas Collectivity of France. French codes used. Range 98700–98790. French Southern and Antarctic Territories TF no codes French codes in the 98400 range have been reserved. Gabon GA no codes Gambia GM no codes Georgia GE NNNN Germany – 1962 resp. 1965 DE NN Postleitzahl (PLZ) Germany 1962 resp. 1965–1993 DE NNNN Postleitzahl (PLZ) – Two separate systems in Western Germany (Federal Republic) and East Germany (German Democratic Republic). Between German reunification in 1990 and 1993 the old separate 4-digit postal codes of former West- and East-Germany were distinguished by preceding "W-" ('West') or "O-" ( for East). Germany DE NNNNN Postleitzahl (PLZ) – Totally new system introduced about 4 years after the German reunification. Ghana GH A?NNN, A?NNNN, A?NNNNN Ghana uses a digital address system. A digital address is made up of two main components: a postcode (e.g. EN-200) and a unique address (e.g. 1987). The first letter in the postcode represents a region (E for Eastern Region in this case), the second letter/digit (N) represents the district (N for New Juaben). The next batch of numbers (200) represent the area code. The regional, district and area codes come together to form the postcode. The last batch of numbers (1987) represent the unique address of the location. A combination of the postcode and the unique address make up the digital address. Gibraltar GI GX11 1AA Single code used for all addresses. Greece GR NNN NN Greenland GL NNNN Part of the Danish postal code system. Grenada GD no codes Guadeloupe GP 971NN Overseas Department of France. French codes used. Range 97100 – 97190, which still includes the distinctive postal codes for Saint Martin and Saint Barthélemy. Guam GU NNNNN, NNNNN-NNNN U.S. ZIP codes. Range 96910–96932. Guatemala GT NNNNN The first two numbers identify the department, the third number the route and the last two the office. Guernsey GG AAN NAA, AANN NAA UK-format postcode (first two letters are always GY) Guinea GN NNN Guinea Bissau GW NNNN Guyana GY no codes Haiti HT NNNN Heard and McDonald Islands HM no codes Honduras HN AANNNN, NNNNN NNNNN is still being used Hong Kong HK no codes The dummy postal code of Hong Kong is 999077. However, if you provide this dummy code where your address label will be electronically created, the system may change the destination country to "Hong Kong S.A.R, CHINA". The addition of "CHINA" can significantly delay delivery. Use an alternate dummy instead (e.g. 00000). Hungary HU NNNN The code defines an area, usually one code per settlement except the six largest towns. One code can identify more (usually) small settlements as well. Iceland1977 IS NNNFirst digit ordered clockwise around the country from Reykjavík. India IN NNNNNN, NNN NNN Postal Index Number (PIN) consists of six digits: first digit for region, second digit for subregion, third digit for revenue/sorting office and last three digits representing the post office of the area.url=https://www.postalmap.online Indonesia ID NNNNN Iran IR NNNNN-NNNNN (Persian: کد پستی) Iraq IQ NNNNN Ireland IE ANN (Routing key, which is never used on its own) [D6W/ANN] [A/N][A/N][A/N][A/N] (Single exception where its D6W ????) Note: A valid postcode never contains the letters: B, G, I, J, L, M, O, Q, S, U, Z.

Ireland's postcode system (called Eircode) refers to individual properties – not to streets/areas. It is presented in the format A12 A1BC The first 3 characters are a routing key referring to a postal district, and the second 4 characters are a unique, pseudorandom identifier for individual properties.