There are 740 postcodes in the built up area of Blackwood. The area contains approximately 5,595 households with a population of about 13,528 (2011 census)
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in useThis table shows the first postcodes in the built up area, download the CSV file to get all the postcodes.
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| NP12 0BH | 51.679334 | -3.196677 | 317357 | 198519 | ST173985 | Yes | 
| NP12 0BR | 51.664342 | -3.18632 | 318046 | 196840 | ST180968 | Yes | 
| NP12 0BS | 51.663529 | -3.185778 | 318082 | 196749 | ST180967 | Yes | 
| NP12 0BT | 51.664509 | -3.185862 | 318078 | 196858 | ST180968 | Yes | 
| NP12 0BU | 51.664298 | -3.18535 | 318113 | 196834 | ST181968 | Yes | 
| NP12 0BW | 51.66394 | -3.185153 | 318126 | 196794 | ST181967 | Yes | 
| NP12 0BX | 51.662332 | -3.18686 | 318005 | 196617 | ST180966 | Yes | 
| NP12 0BY | 51.662657 | -3.187548 | 317958 | 196654 | ST179966 | Yes | 
| NP12 0BZ | 51.66282 | -3.186584 | 318025 | 196671 | ST180966 | Yes | 
| NP12 0DA | 51.664063 | -3.188106 | 317922 | 196811 | ST179968 | Yes | 
| NP12 0DB | 51.66305 | -3.187804 | 317941 | 196698 | ST179966 | Yes | 
| NP12 0DD | 51.664283 | -3.186853 | 318009 | 196834 | ST180968 | Yes | 
| NP12 0DE | 51.668146 | -3.187157 | 317995 | 197264 | ST179972 | Yes | 
| NP12 0EJ | 51.675002 | -3.191169 | 317730 | 198031 | ST177980 | Yes | 
| NP12 0NT | 51.669222 | -3.194603 | 317482 | 197392 | ST174973 | Yes | 
| NP12 0PB | 51.668699 | -3.19203 | 317659 | 197331 | ST176973 | Yes | 
| NP12 0PD | 51.665826 | -3.188947 | 317867 | 197008 | ST178970 | Yes | 
| NP12 0PE | 51.665448 | -3.188113 | 317924 | 196965 | ST179969 | Yes | 
| NP12 0PF | 51.666336 | -3.188324 | 317911 | 197064 | ST179970 | Yes | 
| NP12 0PG | 51.66798 | -3.190247 | 317781 | 197249 | ST177972 | Yes | 
| NP12 0PH | 51.667417 | -3.190796 | 317742 | 197187 | ST177971 | Yes | 
| NP12 0PJ | 51.66802 | -3.191622 | 317686 | 197255 | ST176972 | Yes | 
| NP12 0PL | 51.664426 | -3.187855 | 317940 | 196851 | ST179968 | Yes | 
| NP12 0PN | 51.665406 | -3.18963 | 317819 | 196962 | ST178969 | Yes | 
| NP12 0PQ | 51.667338 | -3.190592 | 317756 | 197178 | ST177971 | Yes | 
| NP12 0UP | 51.66334 | -3.188506 | 317893 | 196731 | ST178967 | Yes | 
| NP12 0WY | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0WZ | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YA | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YB | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YE | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YG | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YH | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YJ | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0YT | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0ZR | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 0ZW | 51.664863 | -3.194402 | 317488 | 196907 | ST174969 | No | 
| NP12 1AA | 51.665349 | -3.194328 | 317494 | 196961 | ST174969 | Yes | 
| NP12 1AB | 51.66669 | -3.19513 | 317441 | 197111 | ST174971 | Yes | 
| NP12 1AD | 51.667361 | -3.195494 | 317417 | 197186 | ST174971 | Yes | 
| NP12 1AE | 51.667266 | -3.195998 | 317382 | 197176 | ST173971 | Yes | 
| NP12 1AF | 51.666452 | -3.195543 | 317412 | 197085 | ST174970 | Yes | 
| NP12 1AG | 51.665769 | -3.195496 | 317414 | 197009 | ST174970 | Yes | 
| NP12 1AH | 51.664766 | -3.19424 | 317499 | 196896 | ST174968 | Yes | 
| NP12 1AJ | 51.663688 | -3.193258 | 317565 | 196775 | ST175967 | Yes | 
| NP12 1AL | 51.66436 | -3.193434 | 317554 | 196850 | ST175968 | Yes | 
| NP12 1AN | 51.662749 | -3.19277 | 317597 | 196670 | ST175966 | Yes | 
| NP12 1AP | 51.664289 | -3.192478 | 317620 | 196841 | ST176968 | Yes | 
| NP12 1AQ | 51.661723 | -3.199061 | 317160 | 196563 | ST171965 | Yes | 
| NP12 1AR | 51.663428 | -3.191357 | 317696 | 196744 | ST176967 | Yes | 
| NP12 1AS | 51.663836 | -3.191006 | 317721 | 196789 | ST177967 | Yes | 
| NP12 1AT | 51.664174 | -3.191376 | 317696 | 196827 | ST176968 | Yes | 
| NP12 1AU | 51.666284 | -3.196131 | 317371 | 197067 | ST173970 | Yes | 
| NP12 1AW | 51.662896 | -3.192413 | 317622 | 196686 | ST176966 | Yes | 
| NP12 1AX | 51.664893 | -3.192349 | 317630 | 196908 | ST176969 | Yes | 
| NP12 1AY | 51.670586 | -3.1949 | 317464 | 197544 | ST174975 | Yes | 
| NP12 1AZ | 51.665093 | -3.194798 | 317461 | 196933 | ST174969 | Yes | 
| NP12 1BA | 51.669024 | -3.195509 | 317419 | 197371 | ST174973 | Yes | 
| NP12 1BB | 51.669733 | -3.195644 | 317411 | 197450 | ST174974 | Yes | 
| NP12 1BD | 51.66972 | -3.196005 | 317386 | 197449 | ST173974 | Yes | 
| NP12 1BE | 51.671593 | -3.195751 | 317407 | 197657 | ST174976 | Yes | 
| NP12 1BF | 51.671993 | -3.194431 | 317499 | 197700 | ST174977 | No | 
| NP12 1BG | 51.673066 | -3.194141 | 317521 | 197819 | ST175978 | Yes | 
| NP12 1BH | 51.673457 | -3.19366 | 317555 | 197862 | ST175978 | Yes | 
| NP12 1BJ | 51.674975 | -3.192123 | 317664 | 198029 | ST176980 | Yes | 
| NP12 1BL | 51.674361 | -3.195014 | 317463 | 197964 | ST174979 | Yes | 
| NP12 1BN | 51.674246 | -3.195661 | 317418 | 197952 | ST174979 | Yes | 
| NP12 1BP | 51.675862 | -3.195039 | 317464 | 198131 | ST174981 | Yes | 
| NP12 1BQ | 51.673498 | -3.193241 | 317584 | 197866 | ST175978 | Yes | 
| NP12 1BR | 51.675962 | -3.195866 | 317407 | 198143 | ST174981 | Yes | 
| NP12 1BS | 51.676091 | -3.194611 | 317494 | 198156 | ST174981 | No | 
| NP12 1BT | 51.676526 | -3.193436 | 317576 | 198203 | ST175982 | Yes | 
| NP12 1BU | 51.676922 | -3.193403 | 317579 | 198247 | ST175982 | Yes | 
| NP12 1BW | 51.674805 | -3.19462 | 317491 | 198013 | ST174980 | Yes | 
| NP12 1BX | 51.677267 | -3.193904 | 317545 | 198286 | ST175982 | Yes | 
| NP12 1BY | 51.677843 | -3.189407 | 317857 | 198345 | ST178983 | Yes | 
| NP12 1BZ | 51.677029 | -3.191743 | 317694 | 198257 | ST176982 | Yes | 
| NP12 1DB | 51.676756 | -3.208773 | 316516 | 198246 | ST165982 | Yes | 
| NP12 1DE | 51.67705 | -3.204673 | 316800 | 198274 | ST168982 | Yes | 
| NP12 1DF | 51.677524 | -3.205799 | 316723 | 198328 | ST167983 | Yes | 
| NP12 1DG | 51.664053 | -3.195364 | 317420 | 196818 | ST174968 | Yes | 
| NP12 1DH | 51.663329 | -3.194014 | 317512 | 196736 | ST175967 | Yes | 
| NP12 1DJ | 51.663214 | -3.19472 | 317463 | 196724 | ST174967 | Yes | 
| NP12 1DL | 51.663042 | -3.195756 | 317391 | 196706 | ST173967 | Yes | 
| NP12 1DN | 51.664666 | -3.196941 | 317312 | 196888 | ST173968 | Yes | 
| NP12 1DP | 51.677045 | -3.208636 | 316526 | 198278 | ST165982 | Yes | 
| NP12 1DQ | 51.678826 | -3.203288 | 316899 | 198470 | ST168984 | Yes | 
| NP12 1DR | 51.662743 | -3.196847 | 317315 | 196674 | ST173966 | Yes | 
| NP12 1DS | 51.662452 | -3.199876 | 317105 | 196645 | ST171966 | Yes | 
| NP12 1DT | 51.662801 | -3.199957 | 317100 | 196684 | ST171966 | Yes | 
| NP12 1DU | 51.662467 | -3.201033 | 317025 | 196648 | ST170966 | Yes | 
| NP12 1DW | 51.663293 | -3.196746 | 317323 | 196735 | ST173967 | Yes | 
| NP12 1DX | 51.66423 | -3.199171 | 317157 | 196842 | ST171968 | Yes | 
| NP12 1DY | 51.664019 | -3.199628 | 317125 | 196819 | ST171968 | Yes | 
| NP12 1DZ | 51.66551 | -3.199798 | 317116 | 196985 | ST171969 | Yes | 
| NP12 1EA | 51.665737 | -3.198661 | 317195 | 197009 | ST171970 | Yes | 
| NP12 1EB | 51.665869 | -3.198087 | 317235 | 197023 | ST172970 | Yes | 
| NP12 1ED | 51.66423 | -3.198318 | 317216 | 196841 | ST172968 | Yes | 
| NP12 1EE | 51.662156 | -3.197974 | 317236 | 196610 | ST172966 | Yes | 
| NP12 1EF | 51.660655 | -3.197067 | 317296 | 196442 | ST172964 | Yes | 
| NP12 1EG | 51.659677 | -3.195985 | 317369 | 196332 | ST173963 | Yes | 
| NP12 1EH | 51.660925 | -3.193532 | 317541 | 196468 | ST175964 | Yes | 
| NP12 1EJ | 51.663738 | -3.197148 | 317296 | 196785 | ST172967 | Yes | 
| NP12 1EL | 51.677082 | -3.19536 | 317444 | 198267 | ST174982 | Yes | 
| NP12 1EN | 51.67448 | -3.2089 | 316503 | 197993 | ST165979 | Yes | 
| NP12 1EP | 51.662439 | -3.201943 | 316962 | 196646 | ST169966 | Yes | 
| NP12 1EQ | 51.659959 | -3.193839 | 317518 | 196361 | ST175963 | Yes | 
| NP12 1ER | 51.670934 | -3.205726 | 316716 | 197595 | ST167975 | Yes | 
| NP12 1ES | 51.672412 | -3.207977 | 316563 | 197762 | ST165977 | Yes | 
| NP12 1ET | 51.672156 | -3.208361 | 316536 | 197734 | ST165977 | Yes | 
| NP12 1EU | 51.6728 | -3.20699 | 316632 | 197804 | ST166978 | Yes | 
| NP12 1EW | 51.67409 | -3.207429 | 316604 | 197948 | ST166979 | Yes | 
| NP12 1EX | 51.673592 | -3.205116 | 316763 | 197890 | ST167978 | Yes | 
| NP12 1EY | 51.675012 | -3.207859 | 316576 | 198051 | ST165980 | Yes | 
| NP12 1EZ | 51.676105 | -3.209117 | 316491 | 198174 | ST164981 | Yes | 
| NP12 1FA | 51.66475 | -3.194948 | 317450 | 196895 | ST174968 | Yes | 
| NP12 1FB | 51.663942 | -3.194826 | 317457 | 196805 | ST174968 | Yes | 
| NP12 1FD | 51.660931 | -3.20264 | 316911 | 196479 | ST169964 | Yes | 
| NP12 1FE | 51.660701 | -3.201391 | 316997 | 196452 | ST169964 | Yes | 
| NP12 1FF | 51.663825 | -3.202761 | 316908 | 196801 | ST169968 | Yes | 
| NP12 1FG | 51.670962 | -3.194996 | 317458 | 197586 | ST174975 | Yes | 
| NP12 1FH | 51.670074 | -3.204474 | 316801 | 197498 | ST168974 | Yes | 
| NP12 1FJ | 51.663355 | -3.195909 | 317381 | 196741 | ST173967 | Yes | 
| NP12 1FL | 51.670787 | -3.200704 | 317063 | 197573 | ST170975 | Yes | 
| NP12 1FN | 51.663502 | -3.192067 | 317647 | 196753 | ST176967 | Yes | 
| NP12 1FP | 51.662438 | -3.203837 | 316831 | 196648 | ST168966 | Yes | 
| NP12 1FQ | 51.664397 | -3.203051 | 316889 | 196865 | ST168968 | Yes | 
| NP12 1FR | 51.663213 | -3.204523 | 316785 | 196735 | ST167967 | Yes | 
| NP12 1FS | 51.663249 | -3.2037 | 316842 | 196738 | ST168967 | Yes | 
| NP12 1FT | 51.664741 | -3.201946 | 316966 | 196902 | ST169969 | Yes | 
| NP12 1FU | 51.664185 | -3.195656 | 317400 | 196833 | ST174968 | Yes | 
| NP12 1FW | 51.670367 | -3.196036 | 317385 | 197521 | ST173975 | Yes | 
| NP12 1FY | 51.676856 | -3.19278 | 317622 | 198239 | ST176982 | Yes | 
| NP12 1GA | 51.677761 | -3.206355 | 316685 | 198355 | ST166983 | Yes | 
| NP12 1GB | 51.67821 | -3.205499 | 316745 | 198404 | ST167984 | Yes | 
| NP12 1GD | 51.67824 | -3.199903 | 317132 | 198401 | ST171984 | Yes | 
| NP12 1GE | 51.678568 | -3.199463 | 317163 | 198437 | ST171984 | Yes | 
| NP12 1GF | 51.679306 | -3.199439 | 317166 | 198519 | ST171985 | Yes | 
| NP12 1GG | 51.679201 | -3.200912 | 317064 | 198509 | ST170985 | Yes | 
| NP12 1GH | 51.678287 | -3.202421 | 316958 | 198409 | ST169984 | Yes | 
| NP12 1GJ | 51.679355 | -3.201653 | 317013 | 198527 | ST170985 | Yes | 
| NP12 1GL | 51.664984 | -3.201085 | 317026 | 196928 | ST170969 | Yes | 
| NP12 1GN | 51.677899 | -3.203394 | 316890 | 198367 | ST168983 | Yes | 
| NP12 1GP | 51.67856 | -3.204699 | 316801 | 198442 | ST168984 | Yes | 
| NP12 1GQ | 51.677592 | -3.204369 | 316822 | 198334 | ST168983 | Yes | 
| NP12 1GR | 51.678167 | -3.206164 | 316699 | 198400 | ST166984 | No | 
| NP12 1GS | 51.678357 | -3.195524 | 317435 | 198409 | ST174984 | Yes | 
| NP12 1GT | 51.666097 | -3.204744 | 316775 | 197056 | ST167970 | Yes | 
| NP12 1GU | 51.665404 | -3.204812 | 316769 | 196979 | ST167969 | Yes | 
| NP12 1GW | 51.66502 | -3.203732 | 316843 | 196935 | ST168969 | Yes | 
| NP12 1GX | 51.66608 | -3.205597 | 316716 | 197055 | ST167970 | No | 
| NP12 1GY | 51.664925 | -3.194447 | 317485 | 196914 | ST174969 | No | 
| NP12 1GZ | 51.670793 | -3.194876 | 317466 | 197567 | ST174975 | Yes | 
| NP12 1HA | 51.663094 | -3.206486 | 316649 | 196724 | ST166967 | Yes | 
| NP12 1HB | 51.664147 | -3.206384 | 316658 | 196841 | ST166968 | Yes | 
| NP12 1HD | 51.665632 | -3.206264 | 316669 | 197006 | ST166970 | Yes | 
| NP12 1HF | 51.675059 | -3.195278 | 317446 | 198042 | ST174980 | Yes | 
| NP12 1HG | 51.665414 | -3.192378 | 317629 | 196966 | ST176969 | Yes | 
| NP12 1HH | 51.676833 | -3.204798 | 316791 | 198250 | ST167982 | Yes | 
| NP12 1HJ | 51.676442 | -3.203428 | 316885 | 198205 | ST168982 | Yes | 
| NP12 1HL | 51.671023 | -3.196994 | 317320 | 197595 | ST173975 | Yes | 
| NP12 1HN | 51.669803 | -3.196716 | 317337 | 197459 | ST173974 | Yes | 
| NP12 1HP | 51.66902 | -3.195856 | 317395 | 197371 | ST173973 | Yes | 
| NP12 1HQ | 51.672199 | -3.205108 | 316761 | 197735 | ST167977 | Yes | 
| NP12 1HR | 51.670853 | -3.19777 | 317266 | 197577 | ST172975 | Yes | 
| NP12 1HS | 51.672548 | -3.197294 | 317302 | 197765 | ST173977 | Yes | 
| NP12 1HT | 51.673544 | -3.197479 | 317291 | 197876 | ST172978 | Yes | 
| NP12 1HU | 51.67298 | -3.195483 | 317428 | 197811 | ST174978 | Yes | 
| NP12 1HW | 51.671353 | -3.198087 | 317245 | 197633 | ST172976 | Yes | 
| NP12 1HX | 51.674382 | -3.199107 | 317180 | 197971 | ST171979 | Yes | 
| NP12 1HY | 51.673398 | -3.201235 | 317031 | 197864 | ST170978 | Yes | 
| NP12 1HZ | 51.673092 | -3.200389 | 317089 | 197829 | ST170978 | Yes | 
| NP12 1JA | 51.672197 | -3.201768 | 316992 | 197731 | ST169977 | Yes | 
| NP12 1JB | 51.671173 | -3.199947 | 317116 | 197615 | ST171976 | Yes | 
| NP12 1JD | 51.671942 | -3.199418 | 317154 | 197700 | ST171977 | Yes | 
| NP12 1JE | 51.672231 | -3.200236 | 317098 | 197733 | ST170977 | Yes | 
| NP12 1JF | 51.672619 | -3.198323 | 317231 | 197774 | ST172977 | Yes | 
| NP12 1JG | 51.672036 | -3.198987 | 317184 | 197710 | ST171977 | Yes | 
| NP12 1JH | 51.677517 | -3.201185 | 317042 | 198322 | ST170983 | Yes | 
| NP12 1JL | 51.676773 | -3.202699 | 316936 | 198241 | ST169982 | Yes | 
| NP12 1JQ | 51.672817 | -3.200902 | 317053 | 197799 | ST170977 | Yes | 
| NP12 1LF | 51.665923 | -3.195355 | 317424 | 197026 | ST174970 | No | 
| NP12 1LX | 51.66926 | -3.203237 | 316885 | 197406 | ST168974 | Yes | 
| NP12 1LY | 51.668977 | -3.206267 | 316675 | 197378 | ST166973 | Yes | 
| NP12 1NR | 51.667452 | -3.195323 | 317429 | 197196 | ST174971 | Yes | 
| NP12 1NS | 51.667783 | -3.195462 | 317420 | 197233 | ST174972 | No | 
| NP12 1NT | 51.667811 | -3.195362 | 317427 | 197236 | ST174972 | Yes | 
| NP12 1NU | 51.666683 | -3.194074 | 317514 | 197109 | ST175971 | Yes | 
| NP12 1NW | 51.665914 | -3.193591 | 317546 | 197023 | ST175970 | Yes | 
| NP12 1NX | 51.665373 | -3.192825 | 317598 | 196962 | ST175969 | Yes | 
| NP12 1NY | 51.666532 | -3.192913 | 317594 | 197091 | ST175970 | Yes | 
| NP12 1NZ | 51.665773 | -3.192445 | 317625 | 197006 | ST176970 | Yes | 
| NP12 1PA | 51.665499 | -3.191989 | 317656 | 196975 | ST176969 | Yes | 
| NP12 1PB | 51.661957 | -3.208625 | 316499 | 196600 | ST164966 | No | 
| NP12 1PE | 51.664747 | -3.190712 | 317743 | 196890 | ST177968 | Yes | 
| NP12 1PN | 51.668016 | -3.195613 | 317410 | 197259 | ST174972 | Yes | 
| NP12 1PP | 51.667625 | -3.196889 | 317321 | 197217 | ST173972 | Yes | 
| NP12 1PQ | 51.668409 | -3.196765 | 317331 | 197304 | ST173973 | Yes | 
| NP12 1PR | 51.668725 | -3.196586 | 317344 | 197339 | ST173973 | Yes | 
| NP12 1PS | 51.668029 | -3.196958 | 317317 | 197262 | ST173972 | Yes |