the following text is based on an article in Wikipedia
Colby is a village and a civil parish in the northeast of the English county of Norfolk. The village is 8.6 miles (13.8 km) south of Cromer, 16.8 miles (27.0 km) north-northwest of Norwich, 5.2 miles (8.4 km) west-northwest of North Walsham and 131 miles (211 km) north-east of London. The nearest railway station is at North Walsham Railway station where the Bittern Line from Cromer to Norwich can be accessed and the national rail network beyond. The village lies a small distance east from the A140 Cromer to Norwich road.
The parish of Colby in the 2001 UK census, has a population of 524, reducing to 494 at the 2011 census. For the purposes of local government, the parish falls within the district of North Norfolk.
In 1935 its area and population were increased when Banningham civil parish was absorbed into it.