Grantchester OS Grid Reference: Lat/Lon: Population: 552 (2001 Census) Dwellings: 265 (2001 Census) Formal status: Village Administration County: Cambridgeshire Region: East of England Country: England Post Office and Telephone Post town: CAMBRIDGE Postcode: CB3 Dialling Code: 01223 Grantchester is a village on the River Cam or Granta in Cambridgeshire, England. It is listed in the Domesday Book (1086) as Grantesete and Grauntsethe. Grantchester is said to have… (More on Grantchester)