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What is Postcode?

During registration of survey panels, you may encounter some require a field called Post Code. This is use to identify your geographical location to make sure you are within their target area of research. So what is a Postcode?

A post/ postal code (also known locally in various English-speaking countries throughout the world as a postcode, post codeEircode, PIN Code or ZIP Code) is a series of letters and/or digits, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail.

There are a number of synonyms for postal code; some are country-specific. For example,

  • Postal code: The general term is used in Canada.
  • Postcode: This solid compound is popular in many English-speaking countries and is also the standard term in The Netherlands.
  • Eircode: The standard term in Ireland.
  • CAP: The standard term in Italy; CAP is an acronym for Codice di Avviamento Postale (Postal Expedition Code).
  • CEP:The standard term in Brazil; CEP is an acronym for Código de Endereçamento Postal (Postal Addressing Code).
  • PIN code / Pincode: The standard term in India; PIN is an acronym for Postal Index Number.
  • PLZ: The standard term in Germany, Austria and Switzerland; PLZ is an abbreviation of Postleitzahl (Postal code).
  • ZIP code: The standard term in the United States and the Philippines; ZIP is an acronym for Zone Improvement Plan.
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