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UK postcodes
S
S21
S21 1

S21 1

S21 postcode district

Updated September 2026

Sector overview

Postcode units: 208
Coordinate coverage: 100%

Part of the S21 postcode district.

Postcode units

201–208 of 208 units

S21 1XU
S21 1XW
S21 1XX
S21 1XY
S21 1XZ
S21 1ZF
S21 1ZG
S21 1ZU

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Map centre

Centred on the average coordinates of published units. This is not a sector boundary.

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Other S21 sectors

S21 4 170 current
S21 3 55 current
S21 2 31 current
S21 5 24 current

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