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A UK Post Code is made up of a number of different parts like these; BS12 6LS or N1 1DF. All together these are known as Post Code Units. Only really large buildings or large mail users have an individual code unit all to themselves. Usually code units are shared between a number of different premises.
It is worth to note at this point that in a built up area an individual Post Code will represent a handful of houses all within a few 100 metres of each other whereas a Post Code unit in a remote or rural area may represent a group of dwellings many miles apart.
L40 2PA
L40 2QA
L40 2QB
L40 2QD
L40 2QE
L40 2QF
L40 2QG
L40 2QH
L40 2QJ
L40 2QL
L40 2QN
L40 2QP
L40 2QQ
L40 2QR
L40 2QS
L40 2QT
L40 2QU
L40 2QW
L40 2QX
L40 2QY
L40 2QZ
L40 2RA
L40 2RB
L40 2RD
L40 2RE
L40 2RF
L40 2RG
L40 2RH
L40 2RJ
L40 2RL
L40 2RN
L40 2RQ
L40 2RU
L40 2SB
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