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UK postcodes
SM
SM1
SM1 9

SM1 9

SM1 postcode district

Updated September 2026

Sector overview

Postcode units: 335
Coordinate coverage: 100%

Part of the SM1 postcode district.

Postcode units

301–335 of 335 units

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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 SM1 sectors

SM1 2 247 current
SM1 4 228 current
SM1 3 216 current
SM1 1 108 current

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