SG18 is in the county of Bedfordshire. It contains the town of Biggleswade, as well as Langford, Upper Caldecote, Holme, Old Warden, and Southill. SG18 is 30km south-west of the city of Cambridge. SG18 is a postcode district, also known as an outcode or outbound code.
The below map shows where SG18 is, and the boundary of the SG18 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
SG18 is in the county of Bedfordshire.
| Biggleswade | Town |
| Langford | Village |
| Upper Caldecote | Village |
| Holme | Hamlet |
| Old Warden | Village |
| Southill | Village |
| Dunton | Village |
| Ickwell | Village |
| Broom | Village |
| Northill | Village |
| Stanford | Village |
| Edworth | Hamlet |
| Millow | Hamlet |
| Lower Caldecote | Village |
| Newton | Hamlet |
Position of SG18 relative to nearby towns. Distance is measured from the centre of SG18 to the centre of the town.
Position of SG18 relative to nearby cities. Distance is measured from the centre of SG18 to the centre of the city.