NN postcode area

Columns: Postcode district | Post town | Coverage | Local authority area
NN15 | KETTERING | Burton Latimer , Barton Seagrave | Kettering | NN16 | KETTERING | Kettering | Kettering | NN17 | CORBY | Bulwick , Corby | Corby , East Northamptonshire | NN18 | CORBY | Great Oakley , Little Oakley | Corby | NN29 | WELLINGBOROUGH | Bozeat , Great Doddington , Irchester , Podington , Wollaston | Bedford , Wellingborough | NN99 | non-geographic

Example questions:
In the sixth NN postcode district , what does the local council prefer to be called ? | In the ninth postcode district , what is the population of the District Council according to the 2011 census ? | In the second postcode district , what was the population in the 2011 Census ? | For the postcode district that has the most coverage , what district is Weedon Bec located ? | In the post town of Daventry , when did Staratford-on-Avon become a postcode district ?

Answers:
'Borough Council of Wellingborough ' | 86,765 | 4,477 | Daventry , Northamptonshire , England | 1 April 1974