The postal area DE (Derby) comprises of the following post towns; these towns should be written in capital letters when used in addresses.

Country	Post Town	Postal District
England	Derby	DE1 DE3
	Matlock	DE4
	Ripley	DE5
	Ashbourne	DE6
	Ilkeston	DE7
	Swadlincote	DE11 DE12
	Burton-upon-Trent	DE13 DE14 DE15
	Derby	DE21 DE22 DE23 DE24
	Bakewell	DE45
	Alfreton	DE55
	Belper	DE56
	Derby	DE65
	Derby	DE72 DE73 DE74
	Heanor	DE75
	Businesses	DE99

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