Postal codes in Scotland, as in all of the United Kingdom, are alphanumeric, not just numbers. The first part of the postal code is one or two letters, such as G for Glasgow or EH for Edinburgh. That is followed by a one- or two-digit number, or in a few cases one digit and a letter. Then there is a blank space followed by one digit and two letters. For example, G2 1DU or EH15 1AF.
There are also several telephone area codes in Scotland, including 0141 for Glasgow and 0131 for Edinburgh. In international format, replace the trunk prefix 0 with country code +44, as in +44 1224 for Aberdeen's 01224 code.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
EH
There is nowhere in Scotland named Longford. Try Ireland.
KW - but the rest of the code will depend on the exact address
EH is the postcode ie EH27
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The Postal Index Number is 734101
No such street. Largs is all in KA30
I found these on another site... EH27EH30EH47EH48EH49EH52EH53EH54EH55
Dd2 5sa
check out the royal mail post code finder at www.royalmail.com
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The expansion for PIN code is Postal Index Number code. It is a numerical code used in the postal addressing system to simplify the sorting and delivery of mail.