Postal Code
SG3
Postal Code SG3
Country United Kingdom
ISO Code GB
Postcode Area SG
Postcode Unit SG3

Postal Information

Postal Code SG3
City Datchworth Green
Region England
Country United Kingdom

Nearby Postal Codes

Distances are calculated geographically from this postal code, not from administrative boundaries.

Postal Code City Region Coordinates
SG2 Aston England 3.4 km
AL6 Welwyn England 3.7 km
AL8 Digswell England 3.9 km
SG2 Shephall England 4.1 km
SG14 Watton-at-Stone England 4.2 km
SG4 Codicote England 4.3 km
AL6 Harmer Green England 4.4 km
AL6 Oaklands England 4.4 km
AL6 Burnham Green England 4.4 km
SG2 Hare Street England 4.5 km
SG2 Bragbury End England 4.5 km
SG2 Broadwater England 4.5 km
SG2 Hebing End England 4.5 km
SG2 Wood End England 4.5 km
SG2 Cromer England 4.5 km
AL6 Tewin England 4.7 km

Postal Hierarchy

Postcode AreaSG
Postcode UnitSG3

Alphanumeric postcode: outward code + inward code.

About Postal Code SG3 in Datchworth Green, England

Postal Code SG3 for Datchworth Green, England is part of the United Kingdom postal code system, which uses an alphanumeric code of 5-7 characters (e.g. EC1A 1HQ). Addresses here are organised as Post Town → Locality → County. Within the code structure it maps to Postcode Area SG and Postcode Unit SG3.

Administratively it is recorded in England within United Kingdom. Postal codes are assigned by delivery route rather than by administrative boundary, so a single code can cover more than one locality and a locality can fall under several codes.

No building-level records are held for this code in the imported dataset, so only the code and its location details are shown. The absence of records does not mean the postal code is unused.

Couriers, e-commerce checkout forms and address autocomplete tools all rely on the postal code to route mail and to check that a stated address matches the code. Because a postal code identifies a delivery area rather than a single building, two addresses that share the same code can still be some distance apart.

Always write United Kingdom Postal Code in full when completing a form, including any leading zero. Enter a valid UK postcode, e.g. EC1A 1HQ. Data source: a third-party open dataset. This is a reference snapshot, not a live government feed, so confirm the code with the sender, carrier or postal authority before relying on it.

Buildings & Addresses for This Code

No building-level records were found for this postal code in the imported dataset.
Information provided on CodeReff is for reference purposes only. Always verify financial and banking details with the relevant institution before use.