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UK postcodes
S
S99
S99 3

S99 3

S99 postcode district

Updated September 2026

Sector overview

Postcode units: 4
Coordinate coverage: 75%

Part of the S99 postcode district.

Postcode units

1–4 of 4 units

S99 3AD
S99 3AE
S99 3AA
S99 3AB

Map centre

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

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Other S99 sectors

S99 1 23 current
S99 2 10 current

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