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UK postcodes
CO
CO3
CO3 4

CO3 4

CO3 postcode district

Updated September 2026

Sector overview

Postcode units: 222
Coordinate coverage: 100%

Part of the CO3 postcode district.

Postcode units

201–222 of 222 units

CO3 4HT
CO3 4HY
CO3 4JQ
CO3 4JS
CO3 4PF
CO3 4QZ
CO3 4RR
CO3 4RS
CO3 4SY
CO3 4TG
CO3 4WA
CO3 4WB
CO3 4WD
CO3 4WJ
CO3 4WP
CO3 4WY
CO3 4WZ
CO3 4XL
CO3 4YB
CO3 4YF
CO3 4YH
CO3 4YQ

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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 CO3 sectors

CO3 3 231 current
CO3 0 203 current
CO3 9 148 current
CO3 8 100 current
CO3 5 0 current

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