28,273
Population
11,047
Households
664
Postcodes
2
Sectors
About NN9
The NN9 postcode district covers Wellingborough, Chelveston, Finedon, Great Harrowden, Irthlingborough, Little Harrowden, Raunds in North Northamptonshire. It falls under the Wellingborough post town. The area has a population of approximately 28,273.