How to find the correct postcode for my house

Written by emma watkins
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The Royal Mail introduced postcodes to the United Kingdom over a 15-year period, between 1959 and 1974. The alphanumeric codes correspond to either a small group of addresses or a large point for postal delivery and help the Royal Mail automate mail sorting. If you want to find the correct postcode for your house, you will need to have the complete address available before starting your search.

Skill level:


  1. 1

    Go to and enter your house's address in the search form. Click "Find postcode."

  2. 2

    Call 0906 302 1222 from the United Kingdom. This information line is available Monday through Friday from 8 a.m. to 5 p.m. and there is a per minute fee for the call.

  3. 3

    Call 08457 111 222 from the United Kingdom. You can access this information line Monday through Friday from 5 p.m. to 7 p.m., and on Saturdays from 9 a.m. to 2 p.m. You will be charged at local telephone rates.

Tips and warnings

  • Searching postcodes on the Royal Mail website is free, but there's a limit of 15 daily searches per user.

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