The S21 1 Killamarsh Postcode Sector
The S21 1 postcode sector stands on the Derbyshire and South Yorkshire border in the East Midlands region of England..
S21 1 is a postcode sector within the S21 postcode district which is within the S Sheffield postcode area.
The Royal Mail delivery office for the S21 1 postal sector is the Halfway Delivery Office.
The area of the S21 1 postcode sector is 2.18 square miles which is 5.63 square kilometres or 1,392.37 square acres.
The S21 1 postcode sector is crossed by the M1 motorway.
Waterways within the S21 1 postcode sector include the The Moss and River Rother
Map of the S21 1 Postcode Sector
Explore the s21 1 postcode sector by using our free interactive map.