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UK postcodes
SO
SO3
SO3 4

SO3 4

SO3 postcode district

Updated September 2026

Sector overview

Postcode units: 369
Coordinate coverage: 100%

Part of the SO3 postcode district.

Postcode units

351–369 of 369 units

SO3 4ZB
SO3 4ZD
SO3 4ZE
SO3 4ZF
SO3 4ZG
SO3 4ZH
SO3 4ZJ
SO3 4ZL
SO3 4ZN
SO3 4ZP
SO3 4ZQ
SO3 4ZR
SO3 4ZS
SO3 4ZT
SO3 4ZU
SO3 4ZW
SO3 4ZX
SO3 4ZY
SO3 4ZZ

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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 SO3 sectors

SO3 1 0 current
SO3 2 0 current
SO3 3 0 current
SO3 5 0 current
SO3 6 0 current
SO3 7 0 current
SO3 8 0 current
SO3 9 0 current

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