Postcode SG3
Bull's Green +5 · Hertfordshire, England
SG3 is the postcode of Bull's Green, Datchworth, Datchworth Green and 3 other places in Hertfordshire, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- SG3
- County
- Hertfordshire
- Country
- England
- Country
- United Kingdom
6 places with postcode SG3
| Place | County | Location |
|---|---|---|
| Bull's Green | Hertfordshire | 51.857, -0.175 |
| Datchworth | Hertfordshire | 51.851, -0.160 |
| Datchworth Green | Hertfordshire | 51.857, -0.175 |
| Knebworth | Hertfordshire | 51.867, -0.184 |
| Old Knebworth | Hertfordshire | 51.857, -0.175 |
| Woolmer Green | Hertfordshire | 51.853, -0.181 |
Near Luton
The nearest major city is Luton, about 17 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SG3?
Bull's Green, Datchworth, Datchworth Green, Knebworth, Old Knebworth, Woolmer Green.
Which county and country is SG3 in?
Hertfordshire, England, United Kingdom.
What is the nearest major city to SG3?
Luton, about 17 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.