| NN1 |
NORTHAMPTON |
Northampton |
West Northamptonshire |
| NN2 |
NORTHAMPTON |
Kingsthorpe, Boughton |
West Northamptonshire |
| NN3 |
NORTHAMPTON |
Abington (East), Bellinge, Blackthorn, Boothville, Ecton Brook, Great Billing, Headlands, Kingsley Park, Lings, Little Billing, Moulton, Moulton Park, Parklands, Rectory Farm, Round Spinney, Southfields, Spinney Hill, Standens Barn, Thorplands, Weston Favell |
West Northamptonshire |
| NN4 |
NORTHAMPTON |
Brackmills, Delapré, East Hunsbury, Far Cotton, Grange Park, Great Houghton, Hardingstone, West Hunsbury, Wootton |
West Northamptonshire |
| NN5 |
NORTHAMPTON |
Duston, New Duston Kings Heath, St James, Dallington, Spencer, St Crispins, Upton, Sixfields |
West Northamptonshire |
| NN6 |
NORTHAMPTON |
Brixworth, Chapel Brampton, Church Brampton, Cold Ashby, Crick, Earls Barton, Ecton, Guilsborough, Long Buckby, Naseby, Spratton, Stanford-on-Avon, Sywell, Welford, West Haddon, East Haddon, Yelvertoft |
West Northamptonshire, North Northamptonshire, Harborough |
| NN7 |
NORTHAMPTON |
Blisworth, Bugbrooke, Castle Ashby, Cogenhoe, Dodford, Flore, Gayton, Grafton Regis, Grendon, Hackleton, Harpole, Harlestone, Hartwell, Horton, Milton Malsor, Nether Heyford, Piddington, Preston Deanery, Quinton, Roade, Rothersthorpe, Stoke Bruerne, Weedon Bec, Yardley Gobion, Yardley Hastings |
West Northamptonshire, North Northamptonshire |
| NN8 |
WELLINGBOROUGH |
Wellingborough, Wilby |
North Northamptonshire |
| NN9 |
WELLINGBOROUGH |
Wellingborough, Chelveston, Finedon, Great Harrowden, Irthlingborough, Little Harrowden, Raunds, Hargrave |
North Northamptonshire |
| NN10 |
RUSHDEN |
Higham Ferrers, Rushden, Wymington |
North Northamptonshire, Bedford |
| NN11 |
DAVENTRY |
Braunston, Daventry, Greens Norton, Hinton, Moreton Pinkney, Welton, Lower Shuckburgh |
West Northamptonshire, Stratford-on-Avon |
| NN12 |
TOWCESTER |
Abthorpe, Caswell, Greens Norton, Silverstone, Towcester, Weston |
West Northamptonshire |
| NN13 |
BRACKLEY |
Brackley, Croughton, Farthinghoe, Hinton-in-the-Hedges, Westbury, Turweston, Mixbury |
West Northamptonshire, Buckinghamshire, Cherwell |
| NN14 |
KETTERING |
Broughton, Desborough, Geddington, Isham, Pytchley, Rothwell, Thorpe Malsor, Thrapston, Hardwick |
North Northamptonshire |
| NN15 |
KETTERING |
Burton Latimer, Barton Seagrave |
North Northamptonshire |
| NN16 |
KETTERING |
Kettering |
North Northamptonshire |
| NN17 |
CORBY |
Corby, Bulwick |
North Northamptonshire |
| NN18 |
CORBY |
Great Oakley, Little Oakley |
North Northamptonshire |
| NN29 |
WELLINGBOROUGH |
Bozeat, Great Doddington, Irchester, Podington, Wollaston |
Bedford, North Northamptonshire |
| NN99 |
|
|
non-geographic |