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 5WP | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WQ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WR | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 5WS | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WT | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WU | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WY | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5WZ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5YL | Talavera | 52.276479 | -0.826926 | 480133 | 264907 | SP801649 |
| NN3 5YU | Talavera | 52.276675 | -0.826774 | 480143 | 264929 | SP801649 |
| NN3 5YX | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 5ZA | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZB | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZD | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZF | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZH | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZJ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZL | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZN | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZP | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZQ | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZR | Blackthorn & Rectory Farm | 52.268144 | -0.811641 | 481191 | 263997 | SP811639 |
| NN3 5ZS | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZT | Blackthorn & Rectory Farm | 52.268144 | -0.811641 | 481191 | 263997 | SP811639 |
| NN3 5ZU | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZW | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZX | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZY | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 5ZZ | Blackthorn & Rectory Farm | 52.268144 | -0.811641 | 481191 | 263997 | SP811639 |
| NN3 6AA | Kingsley & Semilong | 52.259739 | -0.871323 | 477133 | 262997 | SP771629 |
| NN3 6AB | Parklands | 52.274149 | -0.8636 | 477635 | 264608 | SP776646 |
| NN3 6AD | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 6AE | Headlands | 52.271867 | -0.849867 | 478576 | 264369 | SP785643 |
| NN3 6AF | Headlands | 52.273186 | -0.849525 | 478597 | 264516 | SP785645 |
| NN3 6AG | Headlands | 52.273244 | -0.848175 | 478689 | 264524 | SP786645 |
| NN3 6AH | Headlands | 52.270721 | -0.847522 | 478738 | 264244 | SP787642 |
| NN3 6AJ | Headlands | 52.270449 | -0.850065 | 478565 | 264211 | SP785642 |
| NN3 6AL | Headlands | 52.2633 | -0.86483 | 477570 | 263400 | SP775633 |
| NN3 6AN | Parklands | 52.268632 | -0.862993 | 477686 | 263995 | SP776639 |
| NN3 6AP | Parklands | 52.277818 | -0.880641 | 476466 | 264998 | SP764649 |
| NN3 6AQ | Parklands | 52.277394 | -0.867211 | 477383 | 264965 | SP773649 |
| NN3 6AR | Parklands | 52.275898 | -0.864053 | 477601 | 264802 | SP776648 |
| NN3 6AS | Parklands | 52.277573 | -0.873699 | 476940 | 264978 | SP769649 |
| NN3 6AT | Parklands | 52.275517 | -0.870322 | 477174 | 264753 | SP771647 |
| NN3 6AU | Kingsley & Semilong | 52.245285 | -0.898231 | 475321 | 261361 | SP753613 |
| NN3 6AW | Billing | 52.248764 | -0.812129 | 481193 | 261841 | SP811618 |
| NN3 6AX | Parklands | 52.279417 | -0.875778 | 476795 | 265181 | SP767651 |
| NN3 6AY | Headlands | 52.265681 | -0.858116 | 478024 | 263672 | SP780636 |
| NN3 6AZ | Billing | 52.247728 | -0.811893 | 481211 | 261726 | SP812617 |
| NN3 6BA | Parklands | 52.261972 | -0.87071 | 477171 | 263246 | SP771632 |
| NN3 6BB | Parklands | 52.263859 | -0.870545 | 477179 | 263456 | SP771634 |
| NN3 6BD | Parklands | 52.263879 | -0.869899 | 477223 | 263459 | SP772634 |
| NN3 6BE | Parklands | 52.263136 | -0.869244 | 477269 | 263377 | SP772633 |
| NN3 6BF | Parklands | 52.27674 | -0.873134 | 476980 | 264886 | SP769648 |
| NN3 6BG | Parklands | 52.264356 | -0.868012 | 477351 | 263514 | SP773635 |
| NN3 6BH | Parklands | 52.266897 | -0.872417 | 477046 | 263792 | SP770637 |
| NN3 6BJ | Parklands | 52.27674 | -0.873134 | 476980 | 264886 | SP769648 |
| NN3 6BL | Parklands | 52.262814 | -0.872227 | 477066 | 263338 | SP770633 |
| NN3 6BN | Parklands | 52.270448 | -0.85833 | 478001 | 264202 | SP780642 |
| NN3 6BP | Parklands | 52.266717 | -0.871395 | 477116 | 263773 | SP771637 |
| NN3 6BQ | Parklands | 52.266093 | -0.871059 | 477140 | 263704 | SP771637 |
| NN3 6BS | Parklands | 52.266306 | -0.869852 | 477222 | 263729 | SP772637 |
| NN3 6BT | Parklands | 52.266221 | -0.868477 | 477316 | 263721 | SP773637 |
| NN3 6BU | Parklands | 52.265894 | -0.868075 | 477344 | 263685 | SP773636 |
| NN3 6BW | Kingsthorpe South | 52.276938 | -0.880766 | 476459 | 264900 | SP764648 |
| NN3 6BX | Parklands | 52.265755 | -0.867654 | 477373 | 263670 | SP773636 |
| NN3 6BY | Parklands | 52.265146 | -0.866966 | 477421 | 263603 | SP774636 |
| NN3 6BZ | Parklands | 52.266242 | -0.865956 | 477488 | 263726 | SP774637 |
| NN3 6DA | Parklands | 52.267389 | -0.870279 | 477191 | 263849 | SP771638 |
| NN3 6DB | Billing | 52.248764 | -0.812129 | 481193 | 261841 | SP811618 |
| NN3 6DD | Parklands | 52.268632 | -0.862979 | 477687 | 263995 | SP776639 |
| NN3 6DE | Parklands | 52.266109 | -0.874561 | 476901 | 263702 | SP769637 |
| NN3 6DF | Parklands | 52.27651 | -0.864155 | 477593 | 264870 | SP775648 |
| NN3 6DG | Parklands | 52.265784 | -0.874452 | 476909 | 263666 | SP769636 |
| NN3 6DH | Parklands | 52.267423 | -0.865384 | 477525 | 263858 | SP775638 |
| NN3 6DJ | Parklands | 52.267771 | -0.865067 | 477546 | 263897 | SP775638 |
| NN3 6DL | Parklands | 52.267405 | -0.866278 | 477464 | 263855 | SP774638 |
| NN3 6DN | Parklands | 52.268296 | -0.871018 | 477139 | 263949 | SP771639 |
| NN3 6DP | Parklands | 52.266392 | -0.875082 | 476865 | 263733 | SP768637 |
| NN3 6DQ | Parklands | 52.267289 | -0.872905 | 477012 | 263835 | SP770638 |
| NN3 6DR | Parklands | 52.265379 | -0.876294 | 476784 | 263619 | SP767636 |
| NN3 6DS | Parklands | 52.269294 | -0.8673 | 477391 | 264064 | SP773640 |
| NN3 6DT | Parklands | 52.269173 | -0.86871 | 477295 | 264049 | SP772640 |
| NN3 6DU | Parklands | 52.26965 | -0.870705 | 477158 | 264100 | SP771640 |
| NN3 6DW | Parklands | 52.268077 | -0.868869 | 477286 | 263927 | SP772639 |
| NN3 6DX | Parklands | 52.270447 | -0.873191 | 476987 | 264186 | SP769641 |
| NN3 6DY | Parklands | 52.268791 | -0.873028 | 477001 | 264002 | SP770640 |
| NN3 6DZ | Parklands | 52.268797 | -0.871724 | 477090 | 264004 | SP770640 |
| NN3 6EA | Parklands | 52.267049 | -0.87697 | 476735 | 263804 | SP767638 |
| NN3 6EB | Parklands | 52.270199 | -0.873535 | 476964 | 264158 | SP769641 |
| NN3 6ED | Parklands | 52.270586 | -0.875547 | 476826 | 264199 | SP768641 |
| NN3 6EE | Parklands | 52.270256 | -0.876713 | 476747 | 264161 | SP767641 |
| NN3 6EF | Parklands | 52.269668 | -0.875409 | 476837 | 264097 | SP768640 |
| NN3 6EG | Parklands | 52.268471 | -0.877154 | 476720 | 263962 | SP767639 |
| NN3 6EH | Parklands | 52.269536 | -0.876614 | 476755 | 264081 | SP767640 |
| NN3 6EJ | Parklands | 52.269329 | -0.874773 | 476881 | 264060 | SP768640 |
| NN3 6EL | Parklands | 52.268919 | -0.876952 | 476733 | 264012 | SP767640 |
| NN3 6EN | Parklands | 52.268372 | -0.876175 | 476787 | 263952 | SP767639 |
| NN3 6EP | Parklands | 52.269203 | -0.873794 | 476948 | 264047 | SP769640 |
| NN3 6EQ | Parklands | 52.268931 | -0.873537 | 476966 | 264017 | SP769640 |