There are 271 postcodes in the built up area of Undy and Magor. The area contains approximately 2,275 households with a population of about 5,908 (2011 census)
Active postcode
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? |
|---|---|---|---|---|---|---|
| NP26 3BU | 51.582724 | -2.836807 | 342116 | 187428 | ST421874 | Yes |
| NP26 3BW | 51.579447 | -2.819558 | 343307 | 187050 | ST433870 | Yes |
| NP26 3BY | 51.584896 | -2.827277 | 342779 | 187662 | ST427876 | Yes |
| NP26 3BZ | 51.583654 | -2.83502 | 342241 | 187530 | ST422875 | Yes |
| NP26 3DD | 51.574283 | -2.823838 | 343004 | 186479 | ST430864 | Yes |
| NP26 3DL | 51.57872 | -2.819314 | 343323 | 186969 | ST433869 | Yes |
| NP26 3DN | 51.575384 | -2.824449 | 342963 | 186602 | ST429866 | Yes |
| NP26 3DQ | 51.578484 | -2.820955 | 343209 | 186944 | ST432869 | Yes |
| NP26 3EB | 51.578167 | -2.840374 | 341863 | 186924 | ST418869 | Yes |
| NP26 3EF | 51.580347 | -2.812878 | 343771 | 187145 | ST437871 | Yes |
| NP26 3EG | 51.57914 | -2.830016 | 342582 | 187024 | ST425870 | Yes |
| NP26 3EH | 51.578494 | -2.822052 | 343133 | 186946 | ST431869 | Yes |
| NP26 3EJ | 51.581834 | -2.818981 | 343350 | 187315 | ST433873 | Yes |
| NP26 3EL | 51.582564 | -2.812167 | 343823 | 187391 | ST438873 | Yes |
| NP26 3EN | 51.577861 | -2.812213 | 343814 | 186868 | ST438868 | Yes |
| NP26 3EP | 51.579601 | -2.830948 | 342518 | 187076 | ST425870 | Yes |
| NP26 3EQ | 51.581132 | -2.828031 | 342722 | 187244 | ST427872 | Yes |
| NP26 3ER | 51.579273 | -2.830177 | 342571 | 187039 | ST425870 | Yes |
| NP26 3ES | 51.578684 | -2.829618 | 342609 | 186973 | ST426869 | Yes |
| NP26 3ET | 51.578806 | -2.828884 | 342660 | 186986 | ST426869 | Yes |
| NP26 3EU | 51.580591 | -2.829537 | 342617 | 187185 | ST426871 | Yes |
| NP26 3EW | 51.577526 | -2.81645 | 343520 | 186834 | ST435868 | Yes |
| NP26 3EX | 51.578643 | -2.82002 | 343274 | 186961 | ST432869 | Yes |
| NP26 3EY | 51.578725 | -2.817323 | 343461 | 186968 | ST434869 | Yes |
| NP26 3EZ | 51.58044 | -2.82799 | 342724 | 187167 | ST427871 | Yes |
| NP26 3FA | 51.582256 | -2.821514 | 343175 | 187364 | ST431873 | Yes |
| NP26 3FB | 51.583427 | -2.813525 | 343730 | 187488 | ST437874 | Yes |
| NP26 3FD | 51.58392 | -2.815107 | 343621 | 187544 | ST436875 | Yes |
| NP26 3FE | 51.577182 | -2.81425 | 343672 | 186794 | ST436867 | Yes |
| NP26 3FG | 51.583537 | -2.815836 | 343570 | 187502 | ST435875 | Yes |
| NP26 3FH | 51.582607 | -2.815069 | 343622 | 187398 | ST436873 | Yes |
| NP26 3FJ | 51.584124 | -2.816799 | 343504 | 187568 | ST435875 | Yes |
| NP26 3FL | 51.579117 | -2.815324 | 343600 | 187010 | ST435870 | Yes |
| NP26 3FP | 51.583969 | -2.840077 | 341891 | 187569 | ST418875 | Yes |
| NP26 3FQ | 51.584041 | -2.811876 | 343845 | 187555 | ST438875 | Yes |
| NP26 3FR | 51.584556 | -2.812867 | 343777 | 187613 | ST437876 | Yes |
| NP26 3FT | 51.584295 | -2.811505 | 343871 | 187583 | ST438875 | Yes |
| NP26 3FW | 51.584539 | -2.811351 | 343882 | 187610 | ST438876 | Yes |
| NP26 3FX | 51.585476 | -2.811137 | 343898 | 187714 | ST438877 | Yes |
| NP26 3FZ | 51.585373 | -2.823244 | 343059 | 187712 | ST430877 | Yes |
| NP26 3GD | 51.578472 | -2.823971 | 343000 | 186945 | ST429869 | Yes |
| NP26 3GF | 51.579205 | -2.839758 | 341907 | 187039 | ST419870 | Yes |
| NP26 3GG | 51.578768 | -2.839303 | 341938 | 186990 | ST419869 | Yes |
| NP26 3GH | 51.579632 | -2.84043 | 341861 | 187087 | ST418870 | Yes |
| NP26 3GR | 51.581968 | -2.821581 | 343170 | 187332 | ST431873 | Yes |
| NP26 3GU | 51.581316 | -2.832451 | 342416 | 187268 | ST424872 | Yes |
| NP26 3HA | 51.580601 | -2.819031 | 343345 | 187178 | ST433871 | Yes |
| NP26 3HB | 51.583225 | -2.820564 | 343242 | 187471 | ST432874 | Yes |
| NP26 3HD | 51.580118 | -2.814793 | 343638 | 187121 | ST436871 | Yes |
| NP26 3HE | 51.581606 | -2.81036 | 343947 | 187283 | ST439872 | Yes |
| NP26 3HF | 51.579991 | -2.809769 | 343986 | 187103 | ST439871 | Yes |
| NP26 3HH | 51.577834 | -2.810943 | 343902 | 186864 | ST439868 | Yes |
| NP26 3HJ | 51.577572 | -2.818918 | 343349 | 186841 | ST433868 | Yes |
| NP26 3HL | 51.578362 | -2.831935 | 342448 | 186939 | ST424869 | Yes |
| NP26 3HN | 51.580858 | -2.829917 | 342591 | 187215 | ST425872 | Yes |
| NP26 3HP | 51.582737 | -2.833675 | 342333 | 187427 | ST423874 | Yes |
| NP26 3HQ | 51.580108 | -2.825242 | 342914 | 187128 | ST429871 | Yes |
| NP26 3HR | 51.579498 | -2.823845 | 343010 | 187059 | ST430870 | Yes |
| NP26 3HS | 51.579373 | -2.832618 | 342402 | 187052 | ST424870 | Yes |
| NP26 3HT | 51.578512 | -2.834767 | 342252 | 186958 | ST422869 | Yes |
| NP26 3HU | 51.581259 | -2.831642 | 342472 | 187261 | ST424872 | Yes |
| NP26 3HW | 51.584656 | -2.834432 | 342283 | 187641 | ST422876 | Yes |
| NP26 3HX | 51.584018 | -2.834377 | 342286 | 187570 | ST422875 | Yes |
| NP26 3HY | 51.579986 | -2.831171 | 342503 | 187119 | ST425871 | Yes |
| NP26 3HZ | 51.57857 | -2.833007 | 342374 | 186963 | ST423869 | Yes |
| NP26 3JA | 51.578678 | -2.836804 | 342111 | 186978 | ST421869 | Yes |
| NP26 3JB | 51.583912 | -2.832888 | 342389 | 187557 | ST423875 | Yes |
| NP26 3JD | 51.58459 | -2.83355 | 342344 | 187633 | ST423876 | Yes |
| NP26 3JE | 51.583886 | -2.834057 | 342308 | 187555 | ST423875 | Yes |
| NP26 3JH | 51.58106 | -2.826717 | 342813 | 187235 | ST428872 | Yes |
| NP26 3JJ | 51.580883 | -2.825083 | 342926 | 187214 | ST429872 | Yes |
| NP26 3JL | 51.582557 | -2.827365 | 342770 | 187402 | ST427874 | Yes |
| NP26 3JN | 51.580082 | -2.827666 | 342746 | 187127 | ST427871 | Yes |
| NP26 3JP | 51.582112 | -2.828049 | 342722 | 187353 | ST427873 | Yes |
| NP26 3JT | 51.584833 | -2.826006 | 342867 | 187654 | ST428876 | Yes |
| NP26 3JU | 51.584258 | -2.823354 | 343050 | 187588 | ST430875 | Yes |
| NP26 3JW | 51.58264 | -2.824523 | 342967 | 187409 | ST429874 | Yes |
| NP26 3JX | 51.583733 | -2.823821 | 343017 | 187530 | ST430875 | Yes |
| NP26 3JY | 51.584723 | -2.825008 | 342936 | 187641 | ST429876 | Yes |
| NP26 3JZ | 51.578361 | -2.811529 | 343862 | 186923 | ST438869 | Yes |
| NP26 3LA | 51.579701 | -2.833331 | 342353 | 187089 | ST423870 | Yes |
| NP26 3LB | 51.580317 | -2.832635 | 342402 | 187157 | ST424871 | Yes |
| NP26 3LD | 51.581632 | -2.831028 | 342515 | 187302 | ST425873 | Yes |
| NP26 3LE | 51.582648 | -2.831018 | 342517 | 187415 | ST425874 | Yes |
| NP26 3LF | 51.583813 | -2.829119 | 342650 | 187543 | ST426875 | Yes |
| NP26 3LG | 51.584082 | -2.83165 | 342475 | 187575 | ST424875 | Yes |
| NP26 3LH | 51.579055 | -2.834358 | 342281 | 187018 | ST422870 | Yes |
| NP26 3LJ | 51.579119 | -2.835456 | 342205 | 187026 | ST422870 | Yes |
| NP26 3LL | 51.583917 | -2.828342 | 342704 | 187554 | ST427875 | Yes |
| NP26 3LN | 51.580751 | -2.832311 | 342425 | 187205 | ST424872 | Yes |
| NP26 3LP | 51.580871 | -2.831793 | 342461 | 187218 | ST424872 | Yes |
| NP26 3LQ | 51.583387 | -2.825763 | 342882 | 187493 | ST428874 | Yes |
| NP26 3LR | 51.582914 | -2.823965 | 343006 | 187439 | ST430874 | Yes |
| NP26 3LS | 51.578983 | -2.816389 | 343526 | 186996 | ST435869 | Yes |
| NP26 3LT | 51.579535 | -2.814624 | 343649 | 187056 | ST436870 | Yes |
| NP26 3LU | 51.582669 | -2.825476 | 342901 | 187413 | ST429874 | Yes |
| NP26 3LW | 51.582231 | -2.823852 | 343013 | 187363 | ST430873 | Yes |
| NP26 3LX | 51.582976 | -2.827921 | 342732 | 187449 | ST427874 | Yes |
| NP26 3LY | 51.578332 | -2.830997 | 342513 | 186935 | ST425869 | Yes |
| NP26 3LZ | 51.580302 | -2.821969 | 343141 | 187147 | ST431871 | Yes |
| NP26 3NA | 51.581972 | -2.837601 | 342060 | 187345 | ST420873 | Yes |
| NP26 3NB | 51.581315 | -2.83642 | 342141 | 187271 | ST421872 | Yes |
| NP26 3ND | 51.580637 | -2.838168 | 342019 | 187197 | ST420871 | Yes |
| NP26 3NE | 51.581879 | -2.834193 | 342296 | 187332 | ST422873 | Yes |
| NP26 3NF | 51.580961 | -2.835576 | 342199 | 187231 | ST421872 | Yes |
| NP26 3NG | 51.580421 | -2.835682 | 342191 | 187171 | ST421871 | Yes |
| NP26 3NH | 51.579921 | -2.835225 | 342222 | 187115 | ST422871 | Yes |
| NP26 3NJ | 51.580077 | -2.834838 | 342249 | 187132 | ST422871 | Yes |
| NP26 3NL | 51.584585 | -2.822783 | 343090 | 187624 | ST430876 | Yes |
| NP26 3NN | 51.584442 | -2.821467 | 343181 | 187607 | ST431876 | Yes |
| NP26 3NP | 51.583913 | -2.822496 | 343109 | 187549 | ST431875 | Yes |
| NP26 3NQ | 51.583623 | -2.822895 | 343081 | 187517 | ST430875 | Yes |
| NP26 3NR | 51.579062 | -2.808973 | 344040 | 186999 | ST440869 | Yes |
| NP26 3NS | 51.583418 | -2.82256 | 343104 | 187494 | ST431874 | Yes |
| NP26 3NT | 51.582902 | -2.823041 | 343070 | 187437 | ST430874 | Yes |
| NP26 3NU | 51.582775 | -2.821927 | 343147 | 187422 | ST431874 | Yes |
| NP26 3NW | 51.581724 | -2.82302 | 343070 | 187306 | ST430873 | Yes |
| NP26 3NX | 51.582754 | -2.832578 | 342409 | 187428 | ST424874 | Yes |
| NP26 3NY | 51.582308 | -2.835919 | 342177 | 187381 | ST421873 | Yes |
| NP26 3NZ | 51.581596 | -2.834837 | 342251 | 187301 | ST422873 | Yes |
| NP26 3PA | 51.581513 | -2.816016 | 343555 | 187277 | ST435872 | Yes |
| NP26 3PB | 51.580202 | -2.816989 | 343486 | 187132 | ST434871 | Yes |
| NP26 3PD | 51.580779 | -2.815469 | 343592 | 187195 | ST435871 | Yes |
| NP26 3PE | 51.580731 | -2.814559 | 343655 | 187189 | ST436871 | Yes |
| NP26 3PF | 51.581292 | -2.814165 | 343683 | 187251 | ST436872 | Yes |
| NP26 3PG | 51.58122 | -2.815448 | 343594 | 187244 | ST435872 | Yes |
| NP26 3PH | 51.582005 | -2.815015 | 343625 | 187331 | ST436873 | Yes |
| NP26 3PJ | 51.581461 | -2.816953 | 343490 | 187272 | ST434872 | Yes |
| NP26 3PL | 51.580811 | -2.810851 | 343912 | 187195 | ST439871 | Yes |
| NP26 3PN | 51.581016 | -2.811173 | 343890 | 187218 | ST438872 | Yes |
| NP26 3PP | 51.581254 | -2.81047 | 343939 | 187244 | ST439872 | Yes |
| NP26 3PQ | 51.580331 | -2.811406 | 343873 | 187142 | ST438871 | Yes |
| NP26 3PR | 51.581511 | -2.812365 | 343808 | 187274 | ST438872 | Yes |
| NP26 3PS | 51.581857 | -2.818245 | 343401 | 187317 | ST434873 | Yes |
| NP26 3PT | 51.582246 | -2.817891 | 343426 | 187360 | ST434873 | Yes |
| NP26 3PU | 51.581843 | -2.812486 | 343800 | 187311 | ST437873 | Yes |
| NP26 3PW | 51.58127 | -2.818509 | 343382 | 187252 | ST433872 | Yes |
| NP26 3PX | 51.58083 | -2.833813 | 342321 | 187215 | ST423872 | Yes |
| NP26 3PY | 51.577358 | -2.812247 | 343811 | 186812 | ST438868 | Yes |
| NP26 3PZ | 51.582382 | -2.811168 | 343892 | 187370 | ST438873 | Yes |
| NP26 3QA | 51.582487 | -2.81817 | 343407 | 187387 | ST434873 | Yes |
| NP26 3QB | 51.582751 | -2.818911 | 343356 | 187417 | ST433874 | Yes |
| NP26 3QD | 51.582842 | -2.811032 | 343902 | 187421 | ST439874 | Yes |
| NP26 3QE | 51.582948 | -2.817731 | 343438 | 187438 | ST434874 | Yes |
| NP26 3QF | 51.583205 | -2.816985 | 343490 | 187466 | ST434874 | Yes |
| NP26 3QG | 51.579491 | -2.837454 | 342067 | 187069 | ST420870 | Yes |
| NP26 3QH | 51.580012 | -2.838893 | 341968 | 187128 | ST419871 | Yes |
| NP26 3TD | 51.582402 | -2.813478 | 343732 | 187374 | ST437873 | Yes |
| NP26 3TE | 51.582417 | -2.813969 | 343698 | 187376 | ST436873 | Yes |
| NP26 3UJ | 51.579684 | -2.819057 | 343342 | 187076 | ST433870 | No |
| NP6 3BU | 51.582471 | -2.837033 | 342100 | 187400 | ST420874 | No |
| NP6 3BW | 51.578997 | -2.819651 | 343300 | 187000 | ST432870 | No |
| NP6 3BY | 51.58434 | -2.826964 | 342800 | 187600 | ST427876 | No |
| NP6 3BZ | 51.584269 | -2.837066 | 342100 | 187600 | ST420876 | No |
| NP6 3DH | 51.578016 | -2.831179 | 342500 | 186900 | ST424869 | No |
| NP6 3DJ | 51.578087 | -2.821078 | 343200 | 186900 | ST431869 | No |
| NP6 3DQ | 51.578087 | -2.821078 | 343200 | 186900 | ST431869 | No |
| NP6 3EB | 51.577924 | -2.844165 | 341600 | 186900 | ST415869 | No |
| NP6 3EF | 51.579926 | -2.815338 | 343600 | 187100 | ST435871 | No |
| NP6 3EG | 51.579561 | -2.830254 | 342566 | 187071 | ST425870 | No |
| NP6 3EH | 51.578956 | -2.825423 | 342900 | 187000 | ST428870 | No |
| NP6 3EJ | 51.582583 | -2.821159 | 343200 | 187400 | ST431874 | No |
| NP6 3EL | 51.581744 | -2.812484 | 343800 | 187300 | ST437873 | No |
| NP6 3EN | 51.579906 | -2.818224 | 343400 | 187100 | ST433871 | No |
| NP6 3EP | 51.578915 | -2.831195 | 342500 | 187000 | ST424870 | No |
| NP6 3ER | 51.578915 | -2.831195 | 342500 | 187000 | ST424870 | No |
| NP6 3ES | 51.578027 | -2.829736 | 342600 | 186900 | ST425869 | No |
| NP6 3ET | 51.578926 | -2.829752 | 342600 | 187000 | ST425870 | No |
| NP6 3EU | 51.580724 | -2.829785 | 342600 | 187200 | ST425872 | No |
| NP6 3EW | 51.577219 | -2.816733 | 343500 | 186800 | ST434868 | No |
| NP6 3EX | 51.578087 | -2.821078 | 343200 | 186900 | ST431869 | No |
| NP6 3EY | 51.578097 | -2.819635 | 343300 | 186900 | ST432869 | No |
| NP6 3EZ | 51.579835 | -2.828325 | 342700 | 187100 | ST426871 | No |
| NP6 3FA | 51.579835 | -2.828325 | 342700 | 187100 | ST426871 | No |
| NP6 3FB | 51.579835 | -2.828325 | 342700 | 187100 | ST426871 | No |
| NP6 3FD | 51.579835 | -2.828325 | 342700 | 187100 | ST426871 | No |
| NP6 3FE | 51.579835 | -2.828325 | 342700 | 187100 | ST426871 | No |
| NP6 3HA | 51.579896 | -2.819667 | 343300 | 187100 | ST432871 | No |
| NP6 3HB | 51.582583 | -2.821159 | 343200 | 187400 | ST431874 | No |
| NP6 3HD | 51.579926 | -2.815338 | 343600 | 187100 | ST435871 | No |
| NP6 3HE | 51.578097 | -2.819635 | 343300 | 186900 | ST432869 | No |
| NP6 3HF | 51.579057 | -2.810993 | 343900 | 187000 | ST438870 | No |
| NP6 3HG | 51.578158 | -2.810977 | 343900 | 186900 | ST438869 | No |
| NP6 3HH | 51.578158 | -2.810977 | 343900 | 186900 | ST438869 | No |
| NP6 3HL | 51.578915 | -2.831195 | 342500 | 187000 | ST424870 | No |
| NP6 3HN | 51.581613 | -2.831244 | 342500 | 187300 | ST424873 | No |
| NP6 3HP | 51.582491 | -2.834147 | 342300 | 187400 | ST422874 | No |
| NP6 3HQ | 51.579845 | -2.826882 | 342800 | 187100 | ST427871 | No |
| NP6 3HR | 51.579855 | -2.825439 | 342900 | 187100 | ST428871 | No |
| NP6 3HS | 51.578905 | -2.832638 | 342400 | 187000 | ST423870 | No |
| NP6 3HU | 51.581602 | -2.832687 | 342400 | 187300 | ST423873 | No |
| NP6 3HW | 51.584289 | -2.83418 | 342300 | 187600 | ST422876 | No |
| NP6 3HX | 51.582501 | -2.832704 | 342400 | 187400 | ST423874 | No |
| NP6 3HY | 51.579814 | -2.831211 | 342500 | 187100 | ST424871 | No |
| NP6 3HZ | 51.577996 | -2.834064 | 342300 | 186900 | ST422869 | No |
| NP6 3JA | 51.577975 | -2.83695 | 342100 | 186900 | ST420869 | No |
| NP6 3JB | 51.582491 | -2.834147 | 342300 | 187400 | ST422874 | No |
| NP6 3JD | 51.584289 | -2.83418 | 342300 | 187600 | ST422876 | No |
| NP6 3JE | 51.58339 | -2.834163 | 342300 | 187500 | ST422875 | No |
| NP6 3JH | 51.579845 | -2.826882 | 342800 | 187100 | ST427871 | No |