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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.
SG3 6GL
SG3 6QZ
SG3 6RA
SG3 6RB
SG3 6RD
SG3 6RE
SG3 6RG
SG3 6RH
SG3 6RJ
SG3 6RL
SG3 6RN
SG3 6RP
SG3 6RR
SG3 6RS
SG3 6RU
SG3 6RX
SG3 6RZ
SG3 6SA
SG3 6SB
SG3 6SE
SG3 6SP
SG3 6SR
SG3 6SS
SG3 6ST
SG3 6SU
SG3 6SX
SG3 6SZ
SG3 6TA
SG3 6TB
SG3 6TD
SG3 6TE
SG3 6TF
SG3 6TG
SG3 6TL
SG3 6TN
SG3 6TP
SG3 6TQ
SG3 6UH
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