The RM4 1 postcode sector stands on the Essex and Greater London border.
Currently the RM4 1 sector has 154 postcode units.
RM4 1 is a postcode sector within the RM4 postcode district which is within the RM Romford postcode area.
The Royal Mail delivery office for the RM4 1 postal sector is the Romford Delivery Office.
The area of the RM4 1 postcode sector is 17.69 square miles which is 45.81 square kilometres or 11,319.19 square acres.
Explore the rm4 1 RM4 1 postcode sector by using our free interactive map.
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|The RM4 1 Sector is within these Local Authorities||The RM4 1 Sector is within these Counties||
||The RM4 1 Sector is within these Water Company Areas||