Welwyn postcodes
There are 183 postcodes in the built up area of Welwyn. The area contains approximately 1,486 households with a population of about 3,451 (2011 census)
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Active postcode
Postcode no longer in use
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? |
|---|---|---|---|---|---|---|
| AL6 9AP | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9AS | 51.827644 | -0.215963 | 523041 | 215841 | TL230158 | Yes |
| AL6 9AT | 51.825705 | -0.219696 | 522789 | 215619 | TL227156 | Yes |
| AL6 9AU | 51.827103 | -0.215259 | 523091 | 215782 | TL230157 | Yes |
| AL6 9AW | 51.831259 | -0.218238 | 522874 | 216239 | TL228162 | No |
| AL6 9AX | 51.827264 | -0.215116 | 523100 | 215800 | TL231157 | No |
| AL6 9AY | 51.831259 | -0.218238 | 522874 | 216239 | TL228162 | No |
| AL6 9DE | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9DF | 51.828676 | -0.215211 | 523090 | 215957 | TL230159 | Yes |
| AL6 9DG | 51.828163 | -0.215081 | 523100 | 215900 | TL230158 | No |
| AL6 9DH | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9DJ | 51.826582 | -0.216391 | 523014 | 215722 | TL230157 | Yes |
| AL6 9DL | 51.827214 | -0.213716 | 523197 | 215797 | TL231157 | Yes |
| AL6 9DN | 51.826812 | -0.212687 | 523269 | 215754 | TL232157 | Yes |
| AL6 9DP | 51.827553 | -0.214597 | 523135 | 215833 | TL231158 | Yes |
| AL6 9DQ | 51.829525 | -0.211317 | 523356 | 216058 | TL233160 | Yes |
| AL6 9DR | 51.828163 | -0.215081 | 523100 | 215900 | TL230158 | No |
| AL6 9DS | 51.829094 | -0.215514 | 523068 | 216003 | TL230160 | Yes |
| AL6 9DT | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9DW | 51.827637 | -0.213699 | 523197 | 215844 | TL231158 | Yes |
| AL6 9DX | 51.829106 | -0.217946 | 522900 | 216000 | TL228160 | No |
| AL6 9DY | 51.829532 | -0.216512 | 522998 | 216050 | TL229160 | Yes |
| AL6 9DZ | 51.829546 | -0.216173 | 523021 | 216052 | TL230160 | Yes |
| AL6 9EA | 51.830189 | -0.217139 | 522953 | 216122 | TL229161 | Yes |
| AL6 9ED | 51.829815 | -0.216196 | 523019 | 216082 | TL230160 | Yes |
| AL6 9EE | 51.830692 | -0.215378 | 523073 | 216181 | TL230161 | Yes |
| AL6 9EF | 51.830002 | -0.215995 | 523032 | 216103 | TL230161 | Yes |
| AL6 9EG | 51.831001 | -0.214974 | 523100 | 216216 | TL230162 | Yes |
| AL6 9EH | 51.829472 | -0.215513 | 523067 | 216045 | TL230160 | Yes |
| AL6 9EJ | 51.829234 | -0.215232 | 523087 | 216019 | TL230160 | Yes |
| AL6 9EL | 51.82918 | -0.21464 | 523128 | 216014 | TL231160 | Yes |
| AL6 9EN | 51.829673 | -0.213875 | 523179 | 216070 | TL231160 | Yes |
| AL6 9EP | 51.828893 | -0.212938 | 523246 | 215985 | TL232159 | Yes |
| AL6 9EQ | 51.830322 | -0.215141 | 523090 | 216140 | TL230161 | Yes |
| AL6 9ER | 51.829318 | -0.21311 | 523233 | 216032 | TL232160 | Yes |
| AL6 9ES | 51.829992 | -0.212503 | 523273 | 216108 | TL232161 | Yes |
| AL6 9ET | 51.830806 | -0.213356 | 523212 | 216197 | TL232161 | Yes |
| AL6 9EU | 51.830255 | -0.213784 | 523184 | 216135 | TL231161 | Yes |
| AL6 9EW | 51.829533 | -0.214693 | 523123 | 216053 | TL231160 | Yes |
| AL6 9EX | 51.830567 | -0.21233 | 523283 | 216172 | TL232161 | Yes |
| AL6 9EY | 51.831117 | -0.213707 | 523187 | 216231 | TL231162 | Yes |
| AL6 9EZ | 51.830781 | -0.214112 | 523160 | 216193 | TL231161 | Yes |
| AL6 9FB | 51.833139 | -0.21248 | 523266 | 216458 | TL232164 | Yes |
| AL6 9FD | 51.824715 | -0.212431 | 523292 | 215521 | TL232155 | Yes |
| AL6 9FE | 51.823935 | -0.213173 | 523243 | 215433 | TL232154 | Yes |
| AL6 9FF | 51.821861 | -0.222431 | 522611 | 215187 | TL226151 | Yes |
| AL6 9FH | 51.824705 | -0.214294 | 523164 | 215517 | TL231155 | Yes |
| AL6 9FJ | 51.824658 | -0.214 | 523184 | 215512 | TL231155 | Yes |
| AL6 9FL | 51.829326 | -0.218393 | 522869 | 216024 | TL228160 | Yes |
| AL6 9FN | 51.82706 | -0.220044 | 522761 | 215769 | TL227157 | Yes |
| AL6 9FP | 51.834422 | -0.208699 | 523523 | 216607 | TL235166 | Yes |
| AL6 9FQ | 51.834303 | -0.209168 | 523491 | 216593 | TL234165 | Yes |
| AL6 9FR | 51.833812 | -0.209986 | 523436 | 216537 | TL234165 | Yes |
| AL6 9FS | 51.834093 | -0.208988 | 523504 | 216570 | TL235165 | Yes |
| AL6 9FT | 51.833812 | -0.20942 | 523475 | 216538 | TL234165 | Yes |
| AL6 9FU | 51.822093 | -0.22333 | 522548 | 215211 | TL225152 | Yes |
| AL6 9FW | 51.820998 | -0.22541 | 522408 | 215086 | TL224150 | Yes |
| AL6 9GA | 51.818878 | -0.223738 | 522529 | 214853 | TL225148 | Yes |
| AL6 9GB | 51.820065 | -0.221993 | 522646 | 214988 | TL226149 | Yes |
| AL6 9GH | 51.819996 | -0.223926 | 522513 | 214977 | TL225149 | Yes |
| AL6 9GJ | 51.818963 | -0.223323 | 522557 | 214863 | TL225148 | Yes |
| AL6 9GL | 51.819826 | -0.22106 | 522711 | 214963 | TL227149 | Yes |
| AL6 9GS | 51.831675 | -0.215542 | 523059 | 216290 | TL230162 | Yes |
| AL6 9HA | 51.83042 | -0.214591 | 523128 | 216152 | TL231161 | Yes |
| AL6 9HB | 51.831108 | -0.219062 | 522818 | 216221 | TL228162 | Yes |
| AL6 9HD | 51.829084 | -0.216496 | 523000 | 216000 | TL229160 | No |
| AL6 9HE | 51.830859 | -0.214974 | 523100 | 216200 | TL231161 | No |
| AL6 9HF | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9HG | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9HN | 51.828224 | -0.224468 | 522453 | 215891 | TL224158 | Yes |
| AL6 9HP | 51.824611 | -0.214452 | 523153 | 215506 | TL231155 | No |
| AL6 9HQ | 51.830492 | -0.215821 | 523043 | 216158 | TL230161 | Yes |
| AL6 9HR | 51.831502 | -0.212414 | 523275 | 216276 | TL232162 | Yes |
| AL6 9HS | 51.826454 | -0.211613 | 523344 | 215716 | TL233157 | Yes |
| AL6 9HT | 51.823147 | -0.214094 | 523182 | 215344 | TL231153 | Yes |
| AL6 9HU | 51.823995 | -0.215454 | 523086 | 215436 | TL230154 | Yes |
| AL6 9HW | 51.82367 | -0.215258 | 523100 | 215400 | TL231154 | No |
| AL6 9HX | 51.824483 | -0.214907 | 523122 | 215491 | TL231154 | Yes |
| AL6 9HY | 51.825196 | -0.215218 | 523099 | 215570 | TL230155 | Yes |
| AL6 9HZ | 51.825226 | -0.214674 | 523136 | 215574 | TL231155 | Yes |
| AL6 9JA | 51.825482 | -0.214524 | 523146 | 215603 | TL231156 | Yes |
| AL6 9JB | 51.826484 | -0.214761 | 523127 | 215714 | TL231157 | Yes |
| AL6 9JD | 51.827131 | -0.214169 | 523166 | 215787 | TL231157 | Yes |
| AL6 9JE | 51.826084 | -0.213311 | 523228 | 215672 | TL232156 | Yes |
| AL6 9JF | 51.826451 | -0.21422 | 523164 | 215711 | TL231157 | Yes |
| AL6 9JG | 51.825578 | -0.216576 | 523004 | 215610 | TL230156 | Yes |
| AL6 9JH | 51.823569 | -0.216428 | 523020 | 215387 | TL230153 | Yes |
| AL6 9JJ | 51.823272 | -0.217616 | 522939 | 215352 | TL229153 | Yes |
| AL6 9JL | 51.824093 | -0.217162 | 522968 | 215444 | TL229154 | Yes |
| AL6 9JN | 51.82459 | -0.217225 | 522962 | 215499 | TL229154 | Yes |
| AL6 9JP | 51.824015 | -0.217993 | 522911 | 215434 | TL229154 | Yes |
| AL6 9JQ | 51.825199 | -0.216016 | 523044 | 215569 | TL230155 | Yes |
| AL6 9JR | 51.823891 | -0.218679 | 522864 | 215419 | TL228154 | Yes |
| AL6 9JS | 51.824672 | -0.21801 | 522908 | 215507 | TL229155 | Yes |
| AL6 9JT | 51.824643 | -0.219071 | 522835 | 215502 | TL228155 | Yes |
| AL6 9JU | 51.824511 | -0.218655 | 522864 | 215488 | TL228154 | Yes |
| AL6 9JW | 51.823634 | -0.217732 | 522930 | 215392 | TL229153 | Yes |
| AL6 9JX | 51.82402 | -0.219501 | 522807 | 215432 | TL228154 | Yes |
| AL6 9JY | 51.823143 | -0.218607 | 522871 | 215336 | TL228153 | Yes |
| AL6 9JZ | 51.823464 | -0.220205 | 522760 | 215369 | TL227153 | Yes |
| AL6 9LA | 51.822976 | -0.216969 | 522984 | 215320 | TL229153 | Yes |
| AL6 9LB | 51.822784 | -0.216271 | 523033 | 215300 | TL230152 | Yes |
| AL6 9LD | 51.823423 | -0.215694 | 523071 | 215372 | TL230153 | Yes |
| AL6 9LE | 51.825238 | -0.213852 | 523193 | 215577 | TL231155 | Yes |
| AL6 9LF | 51.832568 | -0.213374 | 523206 | 216393 | TL232163 | Yes |
| AL6 9LG | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9LH | 51.831215 | -0.214162 | 523155 | 216241 | TL231162 | Yes |
| AL6 9LL | 51.831099 | -0.214776 | 523113 | 216227 | TL231162 | No |
| AL6 9LN | 51.831286 | -0.214179 | 523154 | 216249 | TL231162 | Yes |
| AL6 9LP | 51.831652 | -0.212858 | 523244 | 216292 | TL232162 | Yes |
| AL6 9LQ | 51.831259 | -0.218238 | 522874 | 216239 | TL228162 | No |
| AL6 9LR | 51.832662 | -0.211875 | 523309 | 216406 | TL233164 | Yes |
| AL6 9LS | 51.833198 | -0.209807 | 523450 | 216469 | TL234164 | Yes |
| AL6 9LT | 51.832179 | -0.210849 | 523381 | 216354 | TL233163 | Yes |
| AL6 9LU | 51.831135 | -0.211814 | 523317 | 216236 | TL233162 | Yes |
| AL6 9LW | 51.831471 | -0.213359 | 523210 | 216271 | TL232162 | Yes |
| AL6 9LX | 51.831553 | -0.213902 | 523172 | 216279 | TL231162 | Yes |
| AL6 9LY | 51.83207 | -0.215376 | 523069 | 216334 | TL230163 | Yes |
| AL6 9LZ | 51.831198 | -0.215353 | 523073 | 216237 | TL230162 | Yes |
| AL6 9NA | 51.831383 | -0.215859 | 523038 | 216257 | TL230162 | Yes |
| AL6 9NB | 51.831991 | -0.215602 | 523054 | 216325 | TL230163 | Yes |
| AL6 9ND | 51.834034 | -0.215768 | 523037 | 216552 | TL230165 | Yes |
| AL6 9NE | 51.835527 | -0.218148 | 522869 | 216714 | TL228167 | Yes |
| AL6 9NH | 51.833237 | -0.218325 | 522863 | 216459 | TL228164 | Yes |
| AL6 9NQ | 51.834739 | -0.217177 | 522938 | 216628 | TL229166 | Yes |
| AL6 9NT | 51.831274 | -0.21283 | 523247 | 216250 | TL232162 | Yes |
| AL6 9NU | 51.83236 | -0.216821 | 522969 | 216364 | TL229163 | Yes |
| AL6 9NX | 51.832061 | -0.210143 | 523430 | 216342 | TL234163 | Yes |
| AL6 9PA | 51.829865 | -0.217718 | 522914 | 216085 | TL229160 | Yes |
| AL6 9PB | 51.830183 | -0.219708 | 522776 | 216117 | TL227161 | Yes |
| AL6 9PD | 51.829816 | -0.219273 | 522807 | 216077 | TL228160 | Yes |
| AL6 9PE | 51.829716 | -0.220394 | 522730 | 216064 | TL227160 | Yes |
| AL6 9PF | 51.828856 | -0.219964 | 522762 | 215969 | TL227159 | Yes |
| AL6 9PG | 51.829584 | -0.218745 | 522844 | 216052 | TL228160 | Yes |
| AL6 9PH | 51.828131 | -0.219006 | 522830 | 215890 | TL228158 | Yes |
| AL6 9PJ | 51.827076 | -0.222356 | 522602 | 215767 | TL226157 | Yes |
| AL6 9PL | 51.827397 | -0.222808 | 522570 | 215802 | TL225158 | Yes |
| AL6 9PN | 51.828347 | -0.22203 | 522621 | 215909 | TL226159 | Yes |
| AL6 9PP | 51.829968 | -0.223955 | 522484 | 216086 | TL224160 | Yes |
| AL6 9PQ | 51.828141 | -0.219687 | 522783 | 215890 | TL227158 | Yes |
| AL6 9PR | 51.830272 | -0.223217 | 522534 | 216121 | TL225161 | Yes |
| AL6 9PS | 51.830265 | -0.222158 | 522607 | 216122 | TL226161 | Yes |
| AL6 9PT | 51.830283 | -0.221562 | 522648 | 216125 | TL226161 | Yes |
| AL6 9PU | 51.829372 | -0.224341 | 522459 | 216019 | TL224160 | Yes |
| AL6 9PW | 51.828315 | -0.223425 | 522525 | 215903 | TL225159 | Yes |
| AL6 9PX | 51.829262 | -0.22481 | 522427 | 216006 | TL224160 | Yes |
| AL6 9PY | 51.8287 | -0.221416 | 522662 | 215949 | TL226159 | Yes |
| AL6 9PZ | 51.828257 | -0.221381 | 522666 | 215900 | TL226158 | Yes |
| AL6 9QA | 51.828503 | -0.219223 | 522814 | 215931 | TL228159 | Yes |
| AL6 9QB | 51.837184 | -0.214163 | 523139 | 216905 | TL231169 | Yes |
| AL6 9QD | 51.836885 | -0.212216 | 523274 | 216875 | TL232168 | Yes |
| AL6 9QE | 51.837329 | -0.213025 | 523217 | 216923 | TL232169 | Yes |
| AL6 9QF | 51.828273 | -0.220654 | 522716 | 215903 | TL227159 | Yes |
| AL6 9QH | 51.827374 | -0.222368 | 522600 | 215800 | TL225157 | No |
| AL6 9QQ | 51.827374 | -0.222368 | 522600 | 215800 | TL225157 | No |
| AL6 9RA | 51.834243 | -0.21113 | 523356 | 216583 | TL233165 | Yes |
| AL6 9RB | 51.835294 | -0.210464 | 523399 | 216701 | TL233167 | Yes |
| AL6 9RD | 51.835934 | -0.21176 | 523308 | 216770 | TL233167 | Yes |
| AL6 9RE | 51.836188 | -0.213695 | 523174 | 216795 | TL231167 | Yes |
| AL6 9RF | 51.835931 | -0.215127 | 523076 | 216764 | TL230167 | Yes |
| AL6 9RG | 51.835084 | -0.216772 | 522965 | 216667 | TL229166 | Yes |
| AL6 9RH | 51.834934 | -0.21521 | 523073 | 216653 | TL230166 | Yes |
| AL6 9RJ | 51.83373 | -0.214648 | 523115 | 216520 | TL231165 | Yes |
| AL6 9RL | 51.832199 | -0.21437 | 523138 | 216350 | TL231163 | Yes |
| AL6 9RN | 51.833543 | -0.213489 | 523195 | 216501 | TL231165 | Yes |
| AL6 9RP | 51.835112 | -0.212692 | 523246 | 216677 | TL232166 | Yes |
| AL6 9RQ | 51.835112 | -0.216248 | 523001 | 216671 | TL230166 | Yes |
| AL6 9RR | 51.834632 | -0.213089 | 523220 | 216623 | TL232166 | Yes |
| AL6 9RS | 51.834158 | -0.212686 | 523249 | 216571 | TL232165 | Yes |
| AL6 9RW | 51.834701 | -0.214102 | 523150 | 216629 | TL231166 | Yes |
| AL6 9SB | 51.827958 | -0.222882 | 522563 | 215864 | TL225158 | Yes |
| AL6 9XA | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9XB | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9XN | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9XP | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9XR | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9XS | 51.833992 | -0.209277 | 523484 | 216558 | TL234165 | No |
| AL6 9ZG | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9ZH | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9ZN | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9ZP | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9ZU | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |
| AL6 9ZY | 51.83235 | -0.217237 | 522940 | 216362 | TL229163 | No |