The S21 4 Eckington Postcode Sector
The S21 4 postcode sector stands on the Derbyshire and South Yorkshire border in the East Midlands region of England..
S21 4 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 4 postal sector is the Halfway Delivery Office.
The area of the S21 4 postcode sector is 2.79 square miles which is 7.22 square kilometres or 1,784.11 square acres.
Waterways within the S21 4 postcode sector include the The Moss and River Rother
Map of the S21 4 Postcode Sector
Explore the s21 4 postcode sector by using our free interactive map.