This page provides postcode data for the Northamptonshire English ceremonial county. Northamptonshire contains approximately 287,745 households with a population of about 691,976 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| NN11 5WZ | 52.277907 | -1.162606 | 457229 | 264748 | SP572647 | No |
| NN11 5XA | 52.271033 | -1.163072 | 457206 | 263983 | SP572639 | No |
| NN11 5XB | 52.270422 | -1.161867 | 457289 | 263916 | SP572639 | No |
| NN11 5XD | 52.262946 | -1.183035 | 455854 | 263068 | SP558630 | No |
| NN11 5XE | 52.270243 | -1.160801 | 457362 | 263897 | SP573638 | No |
| NN11 5XF | 52.272059 | -1.160723 | 457365 | 264099 | SP573640 | No |
| NN11 5XG | 52.27153 | -1.160952 | 457350 | 264040 | SP573640 | No |
| NN11 5XH | 52.270849 | -1.161258 | 457330 | 263964 | SP573639 | No |
| NN11 5XJ | 52.270692 | -1.159415 | 457456 | 263948 | SP574639 | No |
| NN11 5XL | 52.266504 | -1.168477 | 456843 | 263475 | SP568634 | No |
| NN11 5XN | 52.269811 | -1.118706 | 460235 | 263883 | SP602638 | No |
| NN11 5XP | 52.26598 | -1.159313 | 457469 | 263424 | SP574634 | No |
| NN11 5XQ | 52.267582 | -1.160807 | 457365 | 263601 | SP573636 | No |
| NN11 5XR | 52.266348 | -1.160391 | 457395 | 263464 | SP573634 | No |
| NN11 5XS | 52.265307 | -1.159487 | 457458 | 263349 | SP574633 | No |
| NN11 5XT | 52.265574 | -1.160347 | 457399 | 263378 | SP573633 | No |
| NN11 5XU | 52.270754 | -1.172032 | 456595 | 263945 | SP565639 | No |
| NN11 5XW | 52.269241 | -1.180648 | 456009 | 263770 | SP560637 | No |
| NN11 5XX | 52.272391 | -1.165743 | 457022 | 264132 | SP570641 | No |
| NN11 5XY | 52.274019 | -1.159454 | 457449 | 264318 | SP574643 | No |
| NN11 5XZ | 52.288667 | -1.148519 | 458176 | 265956 | SP581659 | No |
| NN11 5YA | 52.258027 | -1.164885 | 457099 | 262535 | SP570625 | No |
| NN11 5YB | 52.258396 | -1.164936 | 457095 | 262576 | SP570625 | No |
| NN11 5YD | 52.272506 | -1.174344 | 456435 | 264138 | SP564641 | No |
| NN11 5YE | 52.271985 | -1.180846 | 455992 | 264075 | SP559640 | No |
| NN11 5YG | 52.274732 | -1.176443 | 456289 | 264384 | SP562643 | No |
| NN11 5YH | 52.273145 | -1.178319 | 456163 | 264206 | SP561642 | No |
| NN11 5YJ | 52.272889 | -1.178954 | 456120 | 264177 | SP561641 | No |
| NN11 5YL | 52.273696 | -1.17485 | 456399 | 264270 | SP563642 | No |
| NN11 5YN | 52.257894 | -1.157562 | 457599 | 262526 | SP575625 | No |
| NN11 5YP | 52.274082 | -1.16067 | 457366 | 264324 | SP573643 | No |
| NN11 5YQ | 52.259401 | -1.1608 | 457376 | 262691 | SP573626 | No |
| NN11 5YR | 52.259401 | -1.1608 | 457376 | 262691 | SP573626 | No |
| NN11 5YS | 52.267137 | -1.176759 | 456277 | 263539 | SP562635 | No |
| NN11 5YT | 52.275346 | -1.175523 | 456351 | 264453 | SP563644 | No |
| NN11 5YU | 52.267076 | -1.17827 | 456174 | 263531 | SP561635 | No |
| NN11 5YW | 52.266223 | -1.178403 | 456166 | 263436 | SP561634 | No |
| NN11 5YX | 52.265667 | -1.177314 | 456241 | 263375 | SP562633 | No |
| NN11 5YY | 52.276654 | -1.167232 | 456915 | 264605 | SP569646 | No |
| NN11 5YZ | 52.274093 | -1.178946 | 456119 | 264311 | SP561643 | No |
| NN11 5ZA | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZB | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZD | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZE | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZF | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZG | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZH | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZJ | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZL | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZN | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZP | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZQ | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZR | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZS | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZT | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZU | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZW | 52.267379 | -1.162599 | 457243 | 263577 | SP572635 | No |
| NN11 5ZX | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZY | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 5ZZ | 52.269876 | -1.187978 | 455508 | 263835 | SP555638 | No |
| NN11 6AA | 52.230934 | -1.180972 | 456035 | 259509 | SP560595 | No |
| NN11 6AB | 52.230019 | -1.182658 | 455921 | 259406 | SP559594 | No |
| NN11 6AD | 52.230425 | -1.181538 | 455997 | 259452 | SP559594 | No |
| NN11 6AE | 52.22888 | -1.18303 | 455897 | 259279 | SP558592 | No |
| NN11 6AF | 52.227026 | -1.181498 | 456004 | 259074 | SP560590 | No |
| NN11 6AG | 52.22828 | -1.180728 | 456055 | 259214 | SP560592 | No |
| NN11 6AH | 52.226925 | -1.179919 | 456112 | 259064 | SP561590 | No |
| NN11 6AJ | 52.226715 | -1.183348 | 455878 | 259038 | SP558590 | No |
| NN11 6AL | 52.227926 | -1.18296 | 455903 | 259173 | SP559591 | No |
| NN11 6AN | 52.225532 | -1.182477 | 455939 | 258907 | SP559589 | No |
| NN11 6AP | 52.225043 | -1.181988 | 455973 | 258853 | SP559588 | No |
| NN11 6AQ | 52.226376 | -1.179826 | 456119 | 259003 | SP561590 | No |
| NN11 6AR | 52.22403 | -1.182475 | 455941 | 258740 | SP559587 | No |
| NN11 6AS | 52.223875 | -1.180838 | 456053 | 258724 | SP560587 | No |
| NN11 6AT | 52.225497 | -1.183956 | 455838 | 258902 | SP558589 | No |
| NN11 6AU | 52.224536 | -1.180168 | 456098 | 258798 | SP560587 | No |
| NN11 6AW | 52.224565 | -1.184486 | 455803 | 258798 | SP558587 | No |
| NN11 6AX | 52.228327 | -1.17979 | 456119 | 259220 | SP561592 | No |
| NN11 6AY | 52.233969 | -1.182996 | 455893 | 259845 | SP558598 | No |
| NN11 6AZ | 52.22558 | -1.180456 | 456077 | 258914 | SP560589 | No |
| NN11 6BA | 52.206577 | -1.179664 | 456155 | 256801 | SP561568 | No |
| NN11 6BB | 52.227617 | -1.182366 | 455944 | 259139 | SP559591 | No |
| NN11 6BD | 52.213471 | -1.136418 | 459101 | 257602 | SP591576 | No |
| NN11 6BE | 52.213951 | -1.135736 | 459147 | 257656 | SP591576 | No |
| NN11 6BF | 52.24605 | -1.201068 | 454644 | 261175 | SP546611 | Yes |
| NN11 6BG | 52.248795 | -1.232746 | 452478 | 261457 | SP524614 | Yes |
| NN11 6BH | 52.208724 | -1.115875 | 460511 | 257091 | SP605570 | No |
| NN11 6BJ | 52.200386 | -1.127439 | 459732 | 256154 | SP597561 | No |
| NN11 6BL | 52.212826 | -1.133079 | 459330 | 257533 | SP593575 | No |
| NN11 6BN | 52.21263 | -1.128385 | 459651 | 257515 | SP596575 | No |
| NN11 6BP | 52.220364 | -1.145888 | 458445 | 258361 | SP584583 | No |
| NN11 6BQ | 52.212239 | -1.106234 | 461165 | 257490 | SP611574 | No |
| NN11 6BS | 52.211015 | -1.161229 | 457409 | 257309 | SP574573 | No |
| NN11 6BT | 52.204607 | -1.151428 | 458087 | 256604 | SP580566 | No |
| NN11 6BU | 52.207888 | -1.187118 | 455644 | 256941 | SP556569 | No |
| NN11 6BW | 52.213102 | -1.132766 | 459351 | 257564 | SP593575 | No |
| NN11 6BX | 52.212905 | -1.183265 | 455901 | 257502 | SP559575 | No |
| NN11 6BY | 52.219236 | -1.193966 | 455162 | 258198 | SP551581 | No |
| NN11 6BZ | 52.217626 | -1.196572 | 454986 | 258017 | SP549580 | No |
| NN11 6DA | 52.227517 | -1.211283 | 453969 | 259106 | SP539591 | No |
| NN11 6DB | 52.177365 | -1.29648 | 448204 | 253468 | SP482534 | Yes |
| NN11 6DD | 52.246276 | -1.20931 | 454081 | 261194 | SP540611 | Yes |
| NN11 6DE | 52.243565 | -1.197934 | 454861 | 260901 | SP548609 | Yes |
| NN11 6DF | 52.245065 | -1.209771 | 454051 | 261059 | SP540610 | Yes |
| NN11 6DG | 52.177921 | -1.294804 | 448318 | 253530 | SP483535 | Yes |
| NN11 6DH | 52.176833 | -1.297804 | 448114 | 253407 | SP481534 | Yes |
| NN11 6DJ | 52.177396 | -1.298673 | 448054 | 253470 | SP480534 | Yes |
| NN11 6DL | 52.175587 | -1.2968 | 448184 | 253270 | SP481532 | Yes |
| NN11 6DN | 52.191603 | -1.297397 | 448126 | 255051 | SP481550 | Yes |
| NN11 6DP | 52.178907 | -1.295681 | 448257 | 253640 | SP482536 | Yes |
| NN11 6DQ | 52.178832 | -1.295214 | 448289 | 253632 | SP482536 | Yes |
| NN11 6DR | 52.179178 | -1.29904 | 448027 | 253667 | SP480536 | Yes |
| NN11 6DW | 52.180359 | -1.29497 | 448304 | 253802 | SP483538 | Yes |
| NN11 6EF | 52.235913 | -1.13159 | 459401 | 260102 | SP594601 | No |
| NN11 6EH | 52.235913 | -1.13159 | 459401 | 260102 | SP594601 | No |
| NN11 6EJ | 52.170825 | -1.21328 | 453901 | 252799 | SP539527 | No |
| NN11 6EL | 52.170493 | -1.213388 | 453894 | 252762 | SP538527 | No |
| NN11 6EN | 52.17065 | -1.214116 | 453844 | 252778 | SP538527 | No |
| NN11 6EP | 52.235932 | -1.13052 | 459474 | 260105 | SP594601 | No |
| NN11 6EQ | 52.171277 | -1.213681 | 453873 | 252849 | SP538528 | No |
| NN11 6ER | 52.23437 | -1.146937 | 458355 | 259918 | SP583599 | No |
| NN11 6ES | 52.233631 | -1.147917 | 458289 | 259835 | SP582598 | No |
| NN11 6ET | 52.232962 | -1.151195 | 458066 | 259758 | SP580597 | No |
| NN11 6EU | 52.23146 | -1.149848 | 458160 | 259592 | SP581595 | No |
| NN11 6EW | 52.171396 | -1.212641 | 453944 | 252863 | SP539528 | No |
| NN11 6EX | 52.231827 | -1.15211 | 458005 | 259631 | SP580596 | No |
| NN11 6EY | 52.231566 | -1.153301 | 457924 | 259601 | SP579596 | No |
| NN11 6EZ | 52.229847 | -1.154417 | 457850 | 259409 | SP578594 | No |
| NN11 6FB | 52.17349 | -1.247042 | 451589 | 253070 | SP515530 | Yes |
| NN11 6FD | 52.177633 | -1.248068 | 451514 | 253531 | SP515535 | Yes |
| NN11 6FL | 52.177561 | -1.248172 | 451507 | 253522 | SP515535 | No |
| NN11 6GA | 52.221267 | -1.248357 | 451444 | 258384 | SP514583 | Yes |
| NN11 6GB | 52.222054 | -1.247685 | 451489 | 258472 | SP514584 | Yes |
| NN11 6GD | 52.219485 | -1.248138 | 451461 | 258186 | SP514581 | Yes |
| NN11 6GE | 52.21832 | -1.245904 | 451615 | 258058 | SP516580 | Yes |
| NN11 6GF | 52.221166 | -1.248081 | 451463 | 258373 | SP514583 | Yes |
| NN11 6GG | 52.218896 | -1.251647 | 451222 | 258118 | SP512581 | Yes |
| NN11 6GH | 52.227981 | -1.153706 | 457901 | 259202 | SP579592 | No |
| NN11 6HA | 52.22575 | -1.162357 | 457313 | 258947 | SP573589 | No |
| NN11 6HB | 52.23124 | -1.155475 | 457776 | 259563 | SP577595 | No |
| NN11 6HD | 52.230137 | -1.157238 | 457657 | 259439 | SP576594 | No |
| NN11 6HE | 52.230456 | -1.157788 | 457619 | 259474 | SP576594 | No |
| NN11 6HF | 52.176295 | -1.321007 | 446528 | 253333 | SP465533 | Yes |
| NN11 6HG | 52.23205 | -1.153072 | 457939 | 259655 | SP579596 | No |
| NN11 6HH | 52.239871 | -1.14421 | 458534 | 260532 | SP585605 | No |
| NN11 6HJ | 52.234453 | -1.152236 | 457993 | 259923 | SP579599 | No |
| NN11 6HL | 52.231045 | -1.158407 | 457576 | 259539 | SP575595 | No |
| NN11 6HN | 52.229695 | -1.155665 | 457765 | 259391 | SP577593 | No |
| NN11 6HP | 52.176491 | -1.239693 | 452088 | 253409 | SP520534 | No |
| NN11 6HQ | 52.235068 | -1.147729 | 458300 | 259995 | SP583599 | No |
| NN11 6HR | 52.232476 | -1.153621 | 457901 | 259702 | SP579597 | No |
| NN11 6HW | 52.229684 | -1.156749 | 457691 | 259389 | SP576593 | No |
| NN11 6HZ | 52.215176 | -1.240717 | 451973 | 257712 | SP519577 | Yes |
| NN11 6JA | 52.246318 | -1.212854 | 453839 | 261196 | SP538611 | Yes |
| NN11 6JB | 52.246232 | -1.210776 | 453981 | 261188 | SP539611 | Yes |
| NN11 6JD | 52.247714 | -1.211921 | 453901 | 261352 | SP539613 | Yes |
| NN11 6JE | 52.24832 | -1.21112 | 453955 | 261420 | SP539614 | Yes |
| NN11 6JF | 52.24773 | -1.21031 | 454011 | 261355 | SP540613 | Yes |
| NN11 6JG | 52.24891 | -1.209176 | 454087 | 261487 | SP540614 | Yes |
| NN11 6JH | 52.24622 | -1.210307 | 454013 | 261187 | SP540611 | Yes |
| NN11 6JJ | 52.245877 | -1.210138 | 454025 | 261149 | SP540611 | Yes |
| NN11 6JL | 52.246885 | -1.210296 | 454013 | 261261 | SP540612 | Yes |
| NN11 6JN | 52.246995 | -1.215962 | 453626 | 261269 | SP536612 | Yes |
| NN11 6JP | 52.242663 | -1.213505 | 453799 | 260789 | SP537607 | Yes |
| NN11 6JQ | 52.247184 | -1.210671 | 453987 | 261294 | SP539612 | Yes |
| NN11 6JR | 52.249677 | -1.208298 | 454146 | 261573 | SP541615 | Yes |
| NN11 6JS | 52.248644 | -1.209869 | 454040 | 261457 | SP540614 | Yes |
| NN11 6JT | 52.248931 | -1.200357 | 454689 | 261496 | SP546614 | Yes |
| NN11 6JU | 52.248324 | -1.199592 | 454742 | 261429 | SP547614 | Yes |
| NN11 6JW | 52.249763 | -1.210391 | 454003 | 261581 | SP540615 | Yes |
| NN11 6JY | 52.246138 | -1.219624 | 453377 | 261171 | SP533611 | Yes |
| NN11 6JZ | 52.242481 | -1.249215 | 451361 | 260743 | SP513607 | Yes |
| NN11 6LB | 52.235026 | -1.219687 | 453386 | 259935 | SP533599 | Yes |
| NN11 6LD | 52.229214 | -1.223245 | 453150 | 259286 | SP531592 | Yes |
| NN11 6LE | 52.230296 | -1.229243 | 452739 | 259402 | SP527594 | Yes |
| NN11 6LF | 52.231842 | -1.244401 | 451702 | 259563 | SP517595 | Yes |
| NN11 6LG | 52.219004 | -1.244575 | 451705 | 258135 | SP517581 | Yes |
| NN11 6LH | 52.220159 | -1.246605 | 451565 | 258262 | SP515582 | Yes |
| NN11 6LJ | 52.20251 | -1.250927 | 451290 | 256296 | SP512562 | No |
| NN11 6LN | 52.209085 | -1.241435 | 451931 | 257034 | SP519570 | Yes |
| NN11 6LP | 52.176592 | -1.248379 | 451494 | 253415 | SP514534 | Yes |
| NN11 6LQ | 52.220464 | -1.247902 | 451476 | 258295 | SP514582 | Yes |
| NN11 6LR | 52.258165 | -1.156472 | 457673 | 262557 | SP576625 | No |
| NN11 6LS | 52.18775 | -1.257026 | 450890 | 254650 | SP508546 | No |
| NN11 6LT | 52.18775 | -1.25704 | 450889 | 254649 | SP508546 | No |
| NN11 6LW | 52.218951 | -1.230801 | 452646 | 258139 | SP526581 | Yes |
| NN11 6NA | 52.170425 | -1.220817 | 453386 | 252748 | SP533527 | No |
| NN11 6NB | 52.170549 | -1.220464 | 453410 | 252763 | SP534527 | No |
| NN11 6ND | 52.169685 | -1.220465 | 453411 | 252666 | SP534526 | No |
| NN11 6NE | 52.169266 | -1.219609 | 453470 | 252620 | SP534526 | No |
| NN11 6NF | 52.169573 | -1.218376 | 453554 | 252656 | SP535526 | No |
| NN11 6NG | 52.169014 | -1.218137 | 453571 | 252594 | SP535525 | No |
| NN11 6NJ | 52.13798 | -1.16339 | 457355 | 249183 | SP573491 | No |
| NN11 6NL | 52.139266 | -1.158456 | 457691 | 249330 | SP576493 | No |
| NN11 6NN | 52.138383 | -1.159481 | 457622 | 249231 | SP576492 | No |
| NN11 6NT | 52.169123 | -1.208923 | 454201 | 252612 | SP542526 | No |
| NN11 6NU | 52.168754 | -1.212951 | 453926 | 252568 | SP539525 | No |
| NN11 6NW | 52.153573 | -1.184351 | 455901 | 250901 | SP559509 | No |
| NN11 6NX | 52.169175 | -1.209961 | 454130 | 252617 | SP541526 | No |
| NN11 6NY | 52.169784 | -1.217758 | 453596 | 252679 | SP535526 | No |