UB postcode area
Postcode district Post town Coverage Local authority area
UB1 SOUTHALL Southall ( north ) Ealing
UB2 SOUTHALL Southall ( south ) , Norwood Green Ealing , Hounslow
UB3 SOUTHALL non-geographic
UB3 HAYES Hayes ( south ) , Harlington Hillingdon
UB4 HAYES Hayes ( north ) , Yeading Hillingdon
UB5 GREENFORD non-geographic
UB5 NORTHOLT Northolt Ealing , Harrow , Hillingdon
UB6 GREENFORD Greenford , Perivale Ealing
UB7 WEST DRAYTON West Drayton , Harmondsworth , Sipson , Yiewsley , Longford Hillingdon
UB8 WEST DRAYTON non-geographic
UB8 UXBRIDGE Uxbridge , Cowley , Hillingdon ( part ) Hillingdon
UB9 UXBRIDGE Denham , Harefield Hillingdon , South Bucks
UB10 UXBRIDGE Hillingdon , Ickenham Hillingdon
UB11 UXBRIDGE Stockley Park Hillingdon
UB18 GREENFORD Spring International non-geographic
Coverage
The approximate coverage of the postcode districts :
The UB postcode area, also known as the Southall postcode area, is a group of eleven postcode districts in England, within six post towns. These cover parts of west and north-west London, plus a very small part of Buckinghamshire. The letters in the postcode are derived from an abbreviation of Uxbridge. The main sorting office is in Greenford (Green Park Way) and the area served includes much of the London Borough of Hillingdon and the western part of the London Borough of Ealing, while the western part of UB9 covers a small part of the South Bucks district of Buckinghamshire, the southern part of UB2 covers a very small part of the London Borough of Hounslow, and a very small part of UB5 lies within the London Borough of Harrow.