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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.
HP3 9BF
HP3 9BP
HP3 9DD
HP3 9DG
HP3 9DH
HP3 9DP
HP3 9DQ
HP3 9DR
HP3 9FE
HP3 9FF
HP3 9FG
HP3 9FQ
HP3 9FX
HP3 9FY
HP3 9GB
HP3 9GJ
HP3 9GL
HP3 9GR
HP3 9GS
HP3 9GU
HP3 9GX
HP3 9GY
HP3 9RH
HP3 9SS
HP3 9SU
HP3 9SX
HP3 9SY
HP3 9SZ
HP3 9TA
HP3 9TB
HP3 9TD
HP3 9TE
HP3 9TF
HP3 9XA
HP3 9XB
HP3 9XE
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