This page provides postcode data for the Dyfed Welsh preserved county. Dyfed contains approximately 163,512 households with a population of about 382,131 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SY23 5JN | 52.251558 | -4.20039 | 249892 | 263769 | SN498637 | Yes |
| SY23 5JP | 52.24094 | -4.188234 | 250686 | 262563 | SN506625 | Yes |
| SY23 5JQ | 52.251637 | -4.178211 | 251406 | 263732 | SN514637 | Yes |
| SY23 5JR | 52.237703 | -4.173619 | 251673 | 262173 | SN516621 | Yes |
| SY23 5JS | 52.247825 | -4.181087 | 251197 | 263314 | SN511633 | Yes |
| SY23 5JW | 52.245507 | -4.180006 | 251263 | 263053 | SN512630 | Yes |
| SY23 5JY | 52.270844 | -4.164994 | 252372 | 265841 | SN523658 | Yes |
| SY23 5JZ | 52.28367 | -4.16776 | 252226 | 267273 | SN522672 | Yes |
| SY23 5LA | 52.27724 | -4.166317 | 252303 | 266555 | SN523665 | Yes |
| SY23 5LB | 52.264753 | -4.147975 | 253513 | 265129 | SN535651 | Yes |
| SY23 5LD | 52.264454 | -4.140194 | 254043 | 265080 | SN540650 | Yes |
| SY23 5LE | 52.265741 | -4.13813 | 254188 | 265219 | SN541652 | Yes |
| SY23 5LF | 52.264241 | -4.132064 | 254597 | 265040 | SN545650 | Yes |
| SY23 5LG | 52.268889 | -4.127158 | 254947 | 265547 | SN549655 | Yes |
| SY23 5LH | 52.268421 | -4.135651 | 254366 | 265512 | SN543655 | Yes |
| SY23 5LJ | 52.271298 | -4.131157 | 254682 | 265823 | SN546658 | Yes |
| SY23 5LL | 52.27319 | -4.116971 | 255656 | 266005 | SN556660 | Yes |
| SY23 5LN | 52.276388 | -4.132134 | 254632 | 266391 | SN546663 | Yes |
| SY23 5LP | 52.277189 | -4.180828 | 251313 | 266579 | SN513665 | Yes |
| SY23 5LQ | 52.269533 | -4.115829 | 255722 | 265596 | SN557655 | Yes |
| SY23 5LR | 52.286915 | -4.169326 | 252130 | 267637 | SN521676 | Yes |
| SY23 5LS | 52.247199 | -4.107661 | 256207 | 263095 | SN562630 | Yes |
| SY23 5LT | 52.27805 | -4.179009 | 251440 | 266671 | SN514666 | Yes |
| SY23 5LU | 52.278535 | -4.179545 | 251405 | 266726 | SN514667 | Yes |
| SY23 5LW | 52.27878 | -4.150002 | 253421 | 266693 | SN534666 | Yes |
| SY23 5LX | 52.278738 | -4.186079 | 250960 | 266762 | SN509667 | Yes |
| SY23 5LY | 52.273334 | -4.189419 | 250714 | 266168 | SN507661 | Yes |
| SY23 5LZ | 52.272969 | -4.18002 | 251354 | 266108 | SN513661 | Yes |
| SY23 5NA | 52.257655 | -4.13824 | 254154 | 264319 | SN541643 | Yes |
| SY23 5NB | 52.256209 | -4.135196 | 254357 | 264153 | SN543641 | Yes |
| SY23 5ND | 52.257908 | -4.134691 | 254397 | 264340 | SN543643 | Yes |
| SY23 5NE | 52.249262 | -4.136972 | 254213 | 263384 | SN542633 | Yes |
| SY23 5NF | 52.245625 | -4.11872 | 255447 | 262942 | SN554629 | Yes |
| SY23 5NG | 52.242854 | -4.157992 | 252757 | 262713 | SN527627 | Yes |
| SY23 5NH | 52.253872 | -4.128681 | 254794 | 263880 | SN547638 | Yes |
| SY23 5NJ | 52.252973 | -4.096009 | 257021 | 263715 | SN570637 | Yes |
| SY23 5NL | 52.249861 | -4.082853 | 257909 | 263343 | SN579633 | Yes |
| SY23 5NN | 52.255199 | -4.079469 | 258157 | 263930 | SN581639 | Yes |
| SY23 5NP | 52.243764 | -4.093041 | 257194 | 262685 | SN571626 | Yes |
| SY23 5NQ | 52.240326 | -4.129878 | 254668 | 262375 | SN546623 | Yes |
| SY23 5NR | 52.236679 | -4.114193 | 255727 | 261939 | SN557619 | Yes |
| SY23 5NS | 52.23648 | -4.08391 | 257794 | 261856 | SN577618 | Yes |
| SY23 5NT | 52.25682 | -4.133701 | 254461 | 264217 | SN544642 | Yes |
| SY23 5NW | 52.264733 | -4.07162 | 258723 | 264975 | SN587649 | Yes |
| SY23 5PA | 52.24883 | -4.179275 | 251324 | 263422 | SN513634 | Yes |
| SY23 5PB | 52.24802 | -4.174928 | 251618 | 263323 | SN516633 | Yes |
| SY23 5PD | 52.251805 | -4.151906 | 253202 | 263697 | SN532636 | Yes |
| SY23 5PE | 52.251302 | -4.168056 | 252098 | 263673 | SN520636 | Yes |
| SY23 5PF | 52.255892 | -4.192677 | 250433 | 264235 | SN504642 | Yes |
| SY23 5PG | 52.25106 | -4.183164 | 251066 | 263678 | SN510636 | Yes |
| SY23 5PH | 52.247629 | -4.176579 | 251504 | 263282 | SN515632 | Yes |
| SY23 5WA | 52.27878 | -4.150002 | 253421 | 266693 | SN534666 | No |
| SY23 5WB | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 5WD | 52.27878 | -4.150002 | 253421 | 266693 | SN534666 | No |
| SY23 5WE | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 5WF | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 5WG | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 5WH | 52.251069 | -4.18315 | 251067 | 263679 | SN510636 | No |
| SY23 5WY | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 5WZ | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 5ZA | 52.251257 | -4.184156 | 250999 | 263701 | SN509637 | No |
| SY23 5ZZ | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 9AB | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9AE | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AF | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9AG | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AJ | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AN | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AP | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AR | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AT | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AW | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9AX | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9AY | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9AZ | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9BA | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BB | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BD | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BE | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BF | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BG | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BH | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BJ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BL | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BN | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BP | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BQ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9BR | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BS | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BT | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BW | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9BX | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9BY | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9BZ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9DA | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DB | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DD | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DE | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DF | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DG | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9DH | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DJ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9DL | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9DN | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9FA | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FE | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9FF | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9FG | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9FH | 52.403488 | -4.043596 | 261071 | 280352 | SN610803 | No |
| SY23 9FJ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FL | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FN | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FP | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FQ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FR | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 9FS | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FT | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FU | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FW | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FX | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FY | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY23 9FZ | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | No |
| SY24 5AA | 52.453742 | -4.019518 | 262865 | 285895 | SN628858 | Yes |
| SY24 5AB | 52.456833 | -4.020661 | 262797 | 286241 | SN627862 | Yes |
| SY24 5AD | 52.456805 | -4.017568 | 263007 | 286232 | SN630862 | Yes |
| SY24 5AE | 52.457166 | -4.010638 | 263479 | 286259 | SN634862 | Yes |
| SY24 5AF | 52.456969 | -3.996808 | 264418 | 286211 | SN644862 | Yes |
| SY24 5AG | 52.464896 | -4.013949 | 263278 | 287125 | SN632871 | Yes |
| SY24 5AH | 52.475645 | -3.98549 | 265244 | 288267 | SN652882 | Yes |
| SY24 5AJ | 52.451356 | -4.004383 | 263886 | 285601 | SN638856 | Yes |
| SY24 5AL | 52.442697 | -4.0323 | 261962 | 284691 | SN619846 | Yes |
| SY24 5AN | 52.464745 | -4.021759 | 262747 | 287123 | SN627871 | Yes |
| SY24 5AP | 52.48711 | -3.981691 | 265537 | 289535 | SN655895 | Yes |
| SY24 5AQ | 52.465564 | -3.995783 | 264514 | 287165 | SN645871 | Yes |
| SY24 5AR | 52.442302 | -4.028059 | 262249 | 284639 | SN622846 | Yes |
| SY24 5AS | 52.441422 | -4.029034 | 262180 | 284543 | SN621845 | Yes |
| SY24 5AT | 52.441022 | -4.028809 | 262194 | 284498 | SN621844 | Yes |
| SY24 5AU | 52.442517 | -4.026553 | 262352 | 284660 | SN623846 | Yes |
| SY24 5AW | 52.451721 | -4.020942 | 262762 | 285673 | SN627856 | Yes |
| SY24 5AX | 52.443348 | -4.027357 | 262300 | 284754 | SN623847 | Yes |
| SY24 5AY | 52.44474 | -4.026435 | 262367 | 284907 | SN623849 | Yes |
| SY24 5AZ | 52.444335 | -4.02752 | 262292 | 284864 | SN622848 | Yes |
| SY24 5BA | 52.44548 | -4.025762 | 262415 | 284988 | SN624849 | Yes |
| SY24 5BB | 52.445952 | -4.0239 | 262543 | 285037 | SN625850 | Yes |
| SY24 5BD | 52.445262 | -4.021117 | 262730 | 284955 | SN627849 | Yes |
| SY24 5BE | 52.44762 | -4.023624 | 262567 | 285222 | SN625852 | Yes |
| SY24 5BF | 52.448214 | -4.023077 | 262606 | 285287 | SN626852 | Yes |
| SY24 5BG | 52.449635 | -4.024099 | 262541 | 285447 | SN625854 | Yes |
| SY24 5BH | 52.441296 | -4.03378 | 261857 | 284538 | SN618845 | Yes |
| SY24 5BJ | 52.441173 | -4.034643 | 261798 | 284526 | SN617845 | Yes |
| SY24 5BL | 52.445776 | -4.02738 | 262306 | 285024 | SN623850 | Yes |
| SY24 5BN | 52.443729 | -4.027683 | 262279 | 284797 | SN622847 | Yes |
| SY24 5BP | 52.448638 | -4.021963 | 262683 | 285332 | SN626853 | Yes |
| SY24 5BQ | 52.450259 | -4.021257 | 262736 | 285511 | SN627855 | Yes |
| SY24 5BS | 52.460304 | -4.022748 | 262666 | 286631 | SN626866 | Yes |
| SY24 5BT | 52.459742 | -4.023031 | 262645 | 286569 | SN626865 | Yes |
| SY24 5BU | 52.46474 | -4.023628 | 262620 | 287126 | SN626871 | Yes |
| SY24 5BW | 52.441047 | -4.027354 | 262293 | 284498 | SN622844 | Yes |
| SY24 5BX | 52.469304 | -4.025384 | 262515 | 287637 | SN625876 | Yes |
| SY24 5BY | 52.466457 | -4.018878 | 262948 | 287308 | SN629873 | Yes |
| SY24 5BZ | 52.461057 | -4.02711 | 262372 | 286723 | SN623867 | Yes |
| SY24 5DA | 52.462695 | -4.025934 | 262457 | 286903 | SN624869 | Yes |
| SY24 5DB | 52.443143 | -4.032512 | 261949 | 284741 | SN619847 | Yes |
| SY24 5DD | 52.463677 | -4.022667 | 262682 | 287006 | SN626870 | Yes |
| SY24 5DE | 52.442513 | -4.033572 | 261875 | 284673 | SN618846 | Yes |
| SY24 5DF | 52.44186 | -4.033939 | 261848 | 284601 | SN618846 | Yes |
| SY24 5DG | 52.442519 | -4.0306 | 262077 | 284668 | SN620846 | Yes |
| SY24 5DH | 52.485605 | -3.975967 | 265921 | 289357 | SN659893 | Yes |
| SY24 5DJ | 52.479632 | -3.953993 | 267395 | 288652 | SN673886 | Yes |
| SY24 5DL | 52.488285 | -3.980271 | 265637 | 289663 | SN656896 | Yes |
| SY24 5DN | 52.47955 | -3.91498 | 270044 | 288572 | SN700885 | Yes |
| SY24 5DP | 52.459636 | -3.939698 | 268306 | 286402 | SN683864 | Yes |
| SY24 5DQ | 52.45232 | -4.020601 | 262787 | 285739 | SN627857 | Yes |
| SY24 5DR | 52.45353 | -3.929348 | 268991 | 285704 | SN689857 | Yes |
| SY24 5DS | 52.449414 | -4.020748 | 262768 | 285416 | SN627854 | Yes |
| SY24 5DT | 52.441777 | -4.030904 | 262054 | 284586 | SN620845 | Yes |
| SY24 5DU | 52.45029 | -4.023643 | 262574 | 285519 | SN625855 | Yes |
| SY24 5DW | 52.465834 | -3.92575 | 269272 | 287066 | SN692870 | Yes |
| SY24 5DX | 52.456305 | -4.021549 | 262735 | 286184 | SN627861 | Yes |
| SY24 5DY | 52.484585 | -3.983772 | 265388 | 289258 | SN653892 | Yes |
| SY24 5DZ | 52.48452 | -3.983356 | 265416 | 289250 | SN654892 | Yes |
| SY24 5EA | 52.482265 | -3.985346 | 265274 | 289003 | SN652890 | Yes |
| SY24 5EB | 52.482339 | -3.984687 | 265319 | 289010 | SN653890 | Yes |
| SY24 5ED | 52.483161 | -3.983958 | 265371 | 289100 | SN653890 | Yes |
| SY24 5EE | 52.480367 | -3.974113 | 266031 | 288771 | SN660887 | Yes |
| SY24 5EF | 52.487308 | -3.98276 | 265465 | 289559 | SN654895 | Yes |
| SY24 5EG | 52.487807 | -3.983003 | 265450 | 289615 | SN654896 | Yes |
| SY24 5EH | 52.492004 | -3.993828 | 264728 | 290102 | SN647901 | Yes |
| SY24 5EJ | 52.491013 | -4.013065 | 263419 | 290028 | SN634900 | Yes |
| SY24 5EL | 52.474698 | -4.054639 | 260545 | 288293 | SN605882 | No |
| SY24 5EN | 52.484903 | -3.980855 | 265587 | 289288 | SN655892 | Yes |
| SY24 5EP | 52.441339 | -4.031252 | 262029 | 284538 | SN620845 | Yes |
| SY24 5EQ | 52.487249 | -3.997472 | 264466 | 289580 | SN644895 | Yes |
| SY24 5ER | 52.484731 | -3.982541 | 265472 | 289272 | SN654892 | Yes |
| SY24 5ES | 52.485066 | -3.982438 | 265480 | 289309 | SN654893 | Yes |
| SY24 5ET | 52.483977 | -3.983037 | 265436 | 289189 | SN654891 | Yes |
| SY24 5EU | 52.483898 | -3.982901 | 265445 | 289180 | SN654891 | Yes |
| SY24 5EW | 52.449906 | -4.022978 | 262618 | 285475 | SN626854 | No |
| SY24 5EX | 52.483762 | -3.982954 | 265441 | 289165 | SN654891 | Yes |
| SY24 5EY | 52.483712 | -3.982746 | 265455 | 289159 | SN654891 | Yes |