The AL1 3 postcode sector is within the county of Hertfordshire.
Currently the AL1 3 sector has 250 postcode units.
AL1 3 is a postcode sector within the AL1 postcode district which is within the AL St Albans postcode area.
The Royal Mail delivery office for the AL1 3 postal sector is the St. Albans Delivery Office.
The area of the AL1 3 postcode sector is 0.35 square miles which is 0.90 square kilometres or 221.87 square acres.
Explore the al1 3 AL1 3 postcode sector by using our free interactive map.
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|The AL1 3 Sector is within these Local Authorities||The AL1 3 Sector is within these Counties||
||The AL1 3 Sector is within these Water Company Areas||