Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes. They are alphanumeric.
Street name signs on Birdbrook Road, Great Barr, Birmingham, showing old "Birmingham 22" postal district (top) and modern "B44" postcode.
Alphanumericals
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Alphanumeric characters or alphanumerics are characters belonging to the English alphabet or Arabic numerals. It includes both lower and uppercase characters. The complete list of alphanumeric charact
Postcodes in the United Kingdom
…Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes (originally, postal codes). They are alphanumeric (the UK is one of only 11 countries or territories to use alphanumeric codes out of the 160 postcode-using members of the ICU). Postcodes are essentially…
A black-headed gull ringed with an alphanumeric plastic ring that makes it easier to read from a distance.