This page provides postcode data for the West Northamptonshire UK Unitary Authority.
In 2021, West Northamptonshire contained approximately 172,600 households with a population of about 425,700
In 2011, West Northamptonshire contained approximately 155,103 households with a population of about 375,115
| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| NN3 9WU | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9WY | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9WZ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XA | Weston Favell & Abington Vale | 52.24734 | -0.832469 | 479807 | 261660 | SP798616 |
| NN3 9XB | Weston Favell & Abington Vale | 52.249091 | -0.82945 | 480010 | 261858 | SP800618 |
| NN3 9XD | Billing | 52.261032 | -0.812475 | 481147 | 263205 | SP811632 |
| NN3 9XE | Billing | 52.249775 | -0.81512 | 480987 | 261950 | SP809619 |
| NN3 9XF | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XG | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XH | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XJ | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XL | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XN | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XP | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XQ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XR | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XS | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XT | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XU | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XW | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XX | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9XY | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9XZ | Billing | 52.249766 | -0.815149 | 480985 | 261949 | SP809619 |
| NN3 9YA | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YB | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YD | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9YE | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YF | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YG | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YH | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YJ | Billing | 52.251851 | -0.82318 | 480433 | 262172 | SP804621 |
| NN3 9YL | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9YN | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9YP | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YQ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YR | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YS | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YT | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YU | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YW | Billing | 52.259402 | -0.822087 | 480494 | 263013 | SP804630 |
| NN3 9YX | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9YY | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZA | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZB | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZD | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZE | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZF | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZG | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZH | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZJ | Blackthorn & Rectory Farm | 52.260215 | -0.823428 | 480401 | 263102 | SP804631 |
| NN3 9ZL | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZN | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZP | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZQ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZR | Billing | 52.252044 | -0.822706 | 480465 | 262194 | SP804621 |
| NN3 9ZS | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZT | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZU | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZW | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZX | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 9ZY | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 9ZZ | Billing | 52.252044 | -0.822706 | 480465 | 262194 | SP804621 |
| NN4 0AA | Hackleton & Roade | 52.183559 | -0.907566 | 474787 | 254486 | SP747544 |
| NN4 0AB | Hunsbury | 52.196553 | -0.905873 | 474881 | 255933 | SP748559 |
| NN4 0AD | Hunsbury | 52.19678 | -0.907125 | 474795 | 255957 | SP747559 |
| NN4 0AE | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN4 0AF | Hunsbury | 52.196553 | -0.905873 | 474881 | 255933 | SP748559 |
| NN4 0AG | Cogenhoe & The Houghtons | 52.223771 | -0.842984 | 479131 | 259027 | SP791590 |
| NN4 0AH | Hunsbury | 52.198436 | -0.906251 | 474852 | 256142 | SP748561 |
| NN4 0AJ | Hunsbury | 52.196405 | -0.904413 | 474981 | 255918 | SP749559 |
| NN4 0AL | Hunsbury | 52.196221 | -0.904959 | 474944 | 255897 | SP749558 |
| NN4 0AN | Cogenhoe & The Houghtons | 52.213846 | -0.827668 | 480195 | 257940 | SP801579 |
| NN4 0AP | Hunsbury | 52.19745 | -0.905675 | 474893 | 256033 | SP748560 |
| NN4 0AQ | Hunsbury | 52.197025 | -0.906373 | 474846 | 255985 | SP748559 |
| NN4 0AR | Hunsbury | 52.197571 | -0.906126 | 474862 | 256046 | SP748560 |
| NN4 0AS | Hunsbury | 52.197529 | -0.907356 | 474778 | 256040 | SP747560 |
| NN4 0AT | Hunsbury | 52.19601 | -0.908373 | 474711 | 255870 | SP747558 |
| NN4 0AU | Hunsbury | 52.195828 | -0.909182 | 474656 | 255849 | SP746558 |
| NN4 0AW | Hunsbury | 52.196114 | -0.908985 | 474669 | 255881 | SP746558 |
| NN4 0AX | Hunsbury | 52.197274 | -0.908942 | 474670 | 256010 | SP746560 |
| NN4 0AY | Hunsbury | 52.19782 | -0.910699 | 474549 | 256069 | SP745560 |
| NN4 0AZ | Hunsbury | 52.198302 | -0.910307 | 474575 | 256123 | SP745561 |
| NN4 0BA | Hunsbury | 52.206935 | -0.902677 | 475082 | 257091 | SP750570 |
| NN4 0BB | Hunsbury | 52.198189 | -0.911656 | 474483 | 256109 | SP744561 |
| NN4 0BD | Hunsbury | 52.197896 | -0.911107 | 474521 | 256077 | SP745560 |
| NN4 0BE | Hunsbury | 52.197889 | -0.91039 | 474570 | 256077 | SP745560 |
| NN4 0BF | Hunsbury | 52.196519 | -0.907015 | 474803 | 255928 | SP748559 |
| NN4 0BG | Nene Valley | 52.218181 | -0.870108 | 477288 | 258376 | SP772583 |
| NN4 0BH | Nene Valley | 52.218101 | -0.86929 | 477344 | 258368 | SP773583 |
| NN4 0BJ | Hunsbury | 52.20631 | -0.904112 | 474985 | 257020 | SP749570 |
| NN4 0BL | Hunsbury | 52.200095 | -0.897124 | 475473 | 256336 | SP754563 |
| NN4 0BN | Hunsbury | 52.207245 | -0.913835 | 474319 | 257114 | SP743571 |
| NN4 0BP | Hunsbury | 52.200847 | -0.8987 | 475364 | 256418 | SP753564 |
| NN4 0BQ | Nene Valley | 52.220314 | -0.864725 | 477652 | 258619 | SP776586 |
| NN4 0BS | Far Cotton, Delapre & Briar Hill | 52.222059 | -0.878925 | 476679 | 258798 | SP766587 |
| NN4 0BT | Nene Valley | 52.213953 | -0.879305 | 476667 | 257896 | SP766578 |
| NN4 0BU | Nene Valley | 52.213316 | -0.878516 | 476722 | 257826 | SP767578 |
| NN4 0BW | Nene Valley | 52.20791 | -0.852104 | 478536 | 257253 | SP785572 |
| NN4 0BX | Nene Valley | 52.21435 | -0.877553 | 476786 | 257942 | SP767579 |
| NN4 0BY | Nene Valley | 52.214719 | -0.879563 | 476648 | 257981 | SP766579 |