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UK postcodes
NN
NN1
NN1 4
NN1 4
NN1 postcode district
Updated September 2026
Sector overview
Postcode units
318
Coordinate coverage
100%
Part of the
NN1 postcode district
.
Postcode units
301–318 of 318 units
NN1 4ZD
NN1 4ZE
NN1 4ZF
NN1 4ZG
NN1 4ZH
NN1 4ZJ
NN1 4ZL
NN1 4ZN
NN1 4ZP
NN1 4ZQ
NN1 4ZR
NN1 4ZS
NN1 4ZT
NN1 4ZU
NN1 4ZW
NN1 4ZX
NN1 4ZY
NN1 4ZZ
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