Postal Code
SG6
Postal Code SG6
Country United Kingdom
ISO Code GB
Postcode Area SG
Postcode Unit SG6

Postal Information

Postal Code SG6
City Letchworth
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
SG7 Baldock England 2.8 km
SG5 Ickleford England 3.8 km
SG5 Astwick England 4.0 km
SG5 Charlton England 4.0 km
SG4 Great Wymondley England 4.1 km
SG15 Arlesey England 4.1 km
SG5 Stotfold England 4.1 km
SG15 Church End England 4.6 km
SG7 Radwell England 4.7 km
SG4 Weston England 4.7 km
SG4 Graveley England 4.9 km
SG7 Bygrave England 5.0 km
SG4 Hitchin England 5.2 km
SG5 Hitchin England 5.2 km
SG4 Little Wymondley England 5.2 km
SG7 Clothall England 5.3 km

Postal Hierarchy

Postcode AreaSG
Postcode UnitSG6

Alphanumeric postcode: outward code + inward code.

About Postal Code SG6 in Letchworth, England

Postal Code SG6 for Letchworth, 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 SG6.

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.