GY postcode area

Coordinates: 49°27′58″N 2°32′46″W / 49.466°N 2.546°W / 49.466; -2.546

Guernsey postcode area
Postcode area GY
Postcode area name Guernsey
Post towns 1
Postcode districts 10
Postcode sectors 16
Postcodes (live) 3,329
Postcodes (total) 3,351
Statistics as at February 2012[1]

The GY postcode area, also known as the Guernsey postcode area,[2] is a group of postal districts covering Guernsey, Alderney & Sark.


The approximate coverage of the postal districts. The post town is Guernsey for all postcode districts

Postcode district Sector Unit codes Parish or island
GY1 all Saint Peter Port
3 Herm[3]
GY2 all Saint Sampson
GY3 all Vale
GY4 all Saint Martin
GY5 all Castel
GY6 8 AA – QZ Vale
RA – ZZ Saint Andrew
GY7 9 Saint Pierre du Bois
Saint Saviour
GY8 0 AA – JZ Forest
KA – ZZ Torteval
GY9 3 Alderney
GY10 1 Sark

In March 2009, it was reported that Royal Mail had "agreed in principle" for the creation of a GY10 postcode district that would cover all addresses on the island of Alderney, to reduce confusion with addresses on the island of Sark.[4] The proposal was opposed by the States of Alderney[5] and consequently it was Sark's postcodes that were subsequently changed, from sector GY9 0 to sector GY10 1, on 5 January 2011.

See also


  1. "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. February 2012. Table 2. Retrieved 21 April 2012.
  2. Royal Mail, Address Management Guide, (2004)
  3. – GY1 3HR
  4. Island FM (3 March 2009). "Alderney postcodes could soon change to GY10". Guernsey Insight. Jersey: Wave Telecom. Retrieved 20 January 2010.
  5. States of Alderney (27 April 2009 (signed)). "Minute 22/2009 Any other business: 22.1 Change of postcode for Alderney". Minutes of Policy and Finance Committee 23 March 2009. Alderney. Retrieved 20 January 2010. Check date values in: |date= (help)

External links

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