This page provides postcode data for the Dyfed Welsh preserved county. Dyfed contains approximately 163,514 households with a population of about 382,136 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SA9 2WU | 51.812796 | -3.814757 | 274995 | 214243 | SN749142 | No |
| SA9 2WW | 51.81343 | -3.80747 | 275499 | 214301 | SN754143 | No |
| SA9 2WX | 51.81343 | -3.80747 | 275499 | 214301 | SN754143 | No |
| SA9 2WY | 51.804972 | -3.826467 | 274166 | 213393 | SN741133 | No |
| SA9 2XJ | 51.791874 | -3.809929 | 275270 | 211908 | SN752119 | Yes |
| SA9 2XR | 51.792309 | -3.807945 | 275408 | 211953 | SN754119 | Yes |
| SA9 2XT | 51.792661 | -3.808467 | 275373 | 211993 | SN753119 | Yes |
| SA9 2XU | 51.800077 | -3.805109 | 275625 | 212812 | SN756128 | Yes |
| SA9 2XX | 51.80264 | -3.803964 | 275711 | 213095 | SN757130 | Yes |
| SA9 2XY | 51.805536 | -3.80099 | 275924 | 213412 | SN759134 | Yes |
| SA9 2YD | 51.792694 | -3.810991 | 275199 | 212001 | SN751120 | No |
| SA9 2YF | 51.795181 | -3.813005 | 275067 | 212281 | SN750122 | Yes |
| SA9 2YG | 51.793358 | -3.809959 | 275272 | 212073 | SN752120 | Yes |
| SA9 2YH | 51.79243 | -3.811822 | 275141 | 211973 | SN751119 | Yes |
| SA9 2YJ | 51.794731 | -3.810696 | 275225 | 212227 | SN752122 | Yes |
| SA9 2YL | 51.794814 | -3.810003 | 275273 | 212235 | SN752122 | Yes |
| SA9 2YN | 51.795749 | -3.808837 | 275356 | 212337 | SN753123 | Yes |
| SA9 2YP | 51.7968 | -3.808284 | 275397 | 212453 | SN753124 | Yes |
| SA9 2YQ | 51.793332 | -3.811002 | 275200 | 212072 | SN751120 | Yes |
| SA9 2YR | 51.797805 | -3.811356 | 275188 | 212570 | SN751125 | Yes |
| SA9 2YS | 51.797244 | -3.810985 | 275212 | 212507 | SN752125 | Yes |
| SA9 2YT | 51.796843 | -3.811912 | 275147 | 212464 | SN751124 | Yes |
| SA9 2YU | 51.797212 | -3.813072 | 275068 | 212507 | SN750125 | Yes |
| SA9 2YW | 51.79252 | -3.811231 | 275182 | 211982 | SN751119 | Yes |
| SA9 2YX | 51.798128 | -3.814313 | 274985 | 212611 | SN749126 | Yes |
| SA9 2YY | 51.796379 | -3.81343 | 275041 | 212415 | SN750124 | Yes |
| SY20 8JG | 52.505093 | -3.978433 | 265813 | 291529 | SN658915 | Yes |
| SY20 8JH | 52.505137 | -3.979083 | 265769 | 291535 | SN657915 | Yes |
| SY20 8JJ | 52.504699 | -3.979417 | 265745 | 291487 | SN657914 | Yes |
| SY20 8JL | 52.504276 | -3.979486 | 265739 | 291440 | SN657914 | Yes |
| SY20 8JN | 52.503474 | -3.979568 | 265731 | 291351 | SN657913 | Yes |
| SY20 8JP | 52.503005 | -3.979635 | 265725 | 291299 | SN657912 | Yes |
| SY20 8JQ | 52.504995 | -3.978413 | 265814 | 291518 | SN658915 | Yes |
| SY20 8JR | 52.496218 | -3.984958 | 265343 | 290554 | SN653905 | Yes |
| SY20 8JS | 52.505709 | -3.964123 | 266786 | 291571 | SN667915 | Yes |
| SY20 8JW | 52.502737 | -3.98011 | 265692 | 291270 | SN656912 | Yes |
| SY20 8ND | 52.537794 | -3.941549 | 268414 | 295098 | SN684950 | Yes |
| SY20 8PD | 52.539505 | -3.939192 | 268579 | 295284 | SN685952 | Yes |
| SY20 8PG | 52.533132 | -3.945147 | 268156 | 294586 | SN681945 | Yes |
| SY20 8PH | 52.538911 | -3.939814 | 268535 | 295219 | SN685952 | Yes |
| SY20 8PJ | 52.537479 | -3.940459 | 268487 | 295061 | SN684950 | Yes |
| SY20 8PL | 52.521353 | -3.96149 | 267012 | 293306 | SN670933 | Yes |
| SY20 8PN | 52.511846 | -3.97626 | 265981 | 292276 | SN659922 | Yes |
| SY20 8PP | 52.511939 | -3.976618 | 265957 | 292287 | SN659922 | Yes |
| SY20 8PQ | 52.539211 | -3.939606 | 268550 | 295252 | SN685952 | Yes |
| SY20 8PR | 52.511181 | -3.9757 | 266017 | 292201 | SN660922 | Yes |
| SY20 8PT | 52.511053 | -3.976932 | 265933 | 292189 | SN659921 | Yes |
| SY20 8PU | 52.510197 | -3.996331 | 264614 | 292130 | SN646921 | Yes |
| SY20 8PW | 52.525772 | -3.966094 | 266713 | 293806 | SN667938 | Yes |
| SY20 8PX | 52.533559 | -3.947009 | 268031 | 294637 | SN680946 | Yes |
| SY20 8QB | 52.511982 | -3.978359 | 265839 | 292295 | SN658922 | Yes |
| SY20 8QD | 52.515829 | -3.983263 | 265518 | 292732 | SN655927 | Yes |
| SY20 8QE | 52.512477 | -3.978897 | 265804 | 292351 | SN658923 | Yes |
| SY20 8SS | 52.550504 | -3.932995 | 269032 | 296496 | SN690964 | Yes |
| SY20 8SU | 52.554021 | -3.926807 | 269462 | 296876 | SN694968 | Yes |
| SY20 8SX | 52.543589 | -3.937425 | 268711 | 295735 | SN687957 | Yes |
| SY20 8SY | 52.542916 | -3.937381 | 268712 | 295660 | SN687956 | Yes |
| SY20 8SZ | 52.5429 | -3.937749 | 268687 | 295659 | SN686956 | Yes |
| SY20 8TA | 52.544741 | -3.945012 | 268200 | 295877 | SN682958 | Yes |
| SY20 8TB | 52.541353 | -3.942178 | 268382 | 295495 | SN683954 | Yes |
| SY20 8TD | 52.531565 | -3.91049 | 270502 | 294349 | SN705943 | Yes |
| SY20 8TE | 52.535499 | -3.930699 | 269143 | 294823 | SN691948 | Yes |
| SY20 8TF | 52.546738 | -3.92019 | 269889 | 296054 | SN698960 | Yes |
| SY23 1AA | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 1AB | 52.41191 | -4.084421 | 258321 | 281368 | SN583813 | Yes |
| SY23 1AD | 52.414007 | -4.084843 | 258299 | 281602 | SN582816 | No |
| SY23 1AE | 52.412593 | -4.077307 | 258807 | 281430 | SN588814 | Yes |
| SY23 1AS | 52.409084 | -4.087126 | 258128 | 281059 | SN581810 | Yes |
| SY23 1AT | 52.408794 | -4.086259 | 258186 | 281025 | SN581810 | Yes |
| SY23 1BA | 52.410868 | -4.084887 | 258286 | 281253 | SN582812 | Yes |
| SY23 1BB | 52.410481 | -4.084898 | 258284 | 281210 | SN582812 | Yes |
| SY23 1BD | 52.410798 | -4.085295 | 258258 | 281246 | SN582812 | Yes |
| SY23 1BE | 52.409688 | -4.085007 | 258274 | 281122 | SN582811 | Yes |
| SY23 1BG | 52.410276 | -4.085858 | 258218 | 281189 | SN582811 | Yes |
| SY23 1BH | 52.409285 | -4.085944 | 258209 | 281079 | SN582810 | Yes |
| SY23 1BJ | 52.407825 | -4.087684 | 258086 | 280920 | SN580809 | Yes |
| SY23 1BL | 52.409199 | -4.085234 | 258257 | 281068 | SN582810 | Yes |
| SY23 1BN | 52.408928 | -4.08531 | 258251 | 281038 | SN582810 | Yes |
| SY23 1BP | 52.409024 | -4.082403 | 258449 | 281043 | SN584810 | Yes |
| SY23 1BQ | 52.410006 | -4.084846 | 258286 | 281157 | SN582811 | No |
| SY23 1BS | 52.407952 | -4.086572 | 258162 | 280932 | SN581809 | Yes |
| SY23 1BT | 52.408512 | -4.084379 | 258313 | 280990 | SN583809 | Yes |
| SY23 1BU | 52.406071 | -4.086689 | 258148 | 280723 | SN581807 | Yes |
| SY23 1BW | 52.408953 | -4.08487 | 258281 | 281040 | SN582810 | Yes |
| SY23 1BX | 52.409834 | -4.083897 | 258350 | 281136 | SN583811 | Yes |
| SY23 1BY | 52.410326 | -4.083494 | 258379 | 281190 | SN583811 | Yes |
| SY23 1BZ | 52.410326 | -4.083494 | 258379 | 281190 | SN583811 | Yes |
| SY23 1DA | 52.408546 | -4.082498 | 258441 | 280990 | SN584809 | Yes |
| SY23 1DB | 52.409288 | -4.083239 | 258393 | 281074 | SN583810 | Yes |
| SY23 1DD | 52.409433 | -4.082143 | 258468 | 281088 | SN584810 | Yes |
| SY23 1DE | 52.414579 | -4.084547 | 258321 | 281665 | SN583816 | Yes |
| SY23 1DF | 52.40927 | -4.084252 | 258324 | 281074 | SN583810 | Yes |
| SY23 1DG | 52.414387 | -4.084714 | 258309 | 281644 | SN583816 | No |
| SY23 1DH | 52.414778 | -4.083968 | 258361 | 281686 | SN583816 | No |
| SY23 1DJ | 52.414007 | -4.084843 | 258299 | 281602 | SN582816 | No |
| SY23 1DL | 52.414687 | -4.085552 | 258253 | 281679 | SN582816 | Yes |
| SY23 1DN | 52.413981 | -4.086313 | 258199 | 281602 | SN581816 | No |
| SY23 1DP | 52.413981 | -4.086313 | 258199 | 281602 | SN581816 | No |
| SY23 1DQ | 52.414007 | -4.084843 | 258299 | 281602 | SN582816 | No |
| SY23 1DR | 52.408554 | -4.082528 | 258439 | 280991 | SN584809 | No |
| SY23 1DS | 52.415049 | -4.080849 | 258574 | 281710 | SN585817 | No |
| SY23 1DT | 52.414224 | -4.087324 | 258131 | 281631 | SN581816 | Yes |
| SY23 1DU | 52.413522 | -4.086865 | 258160 | 281552 | SN581815 | Yes |
| SY23 1DW | 52.414039 | -4.08661 | 258179 | 281609 | SN581816 | Yes |
| SY23 1DX | 52.413476 | -4.086407 | 258191 | 281546 | SN581815 | Yes |
| SY23 1DY | 52.413374 | -4.087607 | 258109 | 281537 | SN581815 | Yes |
| SY23 1DZ | 52.412765 | -4.088961 | 258015 | 281472 | SN580814 | Yes |
| SY23 1EA | 52.414481 | -4.085483 | 258257 | 281656 | SN582816 | Yes |
| SY23 1EB | 52.413148 | -4.085126 | 258277 | 281507 | SN582815 | Yes |
| SY23 1ED | 52.414597 | -4.071225 | 259227 | 281641 | SN592816 | Yes |
| SY23 1EE | 52.413958 | -4.071269 | 259222 | 281570 | SN592815 | Yes |
| SY23 1EF | 52.413404 | -4.071051 | 259235 | 281508 | SN592815 | Yes |
| SY23 1EH | 52.41579 | -4.077545 | 258801 | 281786 | SN588817 | Yes |
| SY23 1EJ | 52.415784 | -4.076883 | 258846 | 281784 | SN588817 | Yes |
| SY23 1EL | 52.415746 | -4.07594 | 258910 | 281778 | SN589817 | Yes |
| SY23 1EN | 52.415064 | -4.07535 | 258948 | 281701 | SN589817 | Yes |
| SY23 1EP | 52.415469 | -4.072266 | 259159 | 281740 | SN591817 | Yes |
| SY23 1EQ | 52.415322 | -4.076023 | 258903 | 281731 | SN589817 | Yes |
| SY23 1ER | 52.416083 | -4.071603 | 259206 | 281807 | SN592818 | Yes |
| SY23 1ES | 52.415717 | -4.071483 | 259213 | 281766 | SN592817 | Yes |
| SY23 1ET | 52.415284 | -4.071537 | 259208 | 281718 | SN592817 | Yes |
| SY23 1EU | 52.414432 | -4.072982 | 259107 | 281626 | SN591816 | Yes |
| SY23 1EW | 52.415312 | -4.073567 | 259070 | 281725 | SN590817 | Yes |
| SY23 1EX | 52.413798 | -4.071658 | 259195 | 281553 | SN591815 | No |
| SY23 1EY | 52.413871 | -4.073661 | 259059 | 281565 | SN590815 | Yes |
| SY23 1EZ | 52.413416 | -4.074493 | 259001 | 281516 | SN590815 | Yes |
| SY23 1HA | 52.412497 | -4.071509 | 259201 | 281408 | SN592814 | Yes |
| SY23 1HB | 52.411798 | -4.070888 | 259241 | 281329 | SN592813 | Yes |
| SY23 1HD | 52.411448 | -4.068754 | 259385 | 281286 | SN593812 | Yes |
| SY23 1HE | 52.411381 | -4.068516 | 259401 | 281278 | SN594812 | Yes |
| SY23 1HF | 52.4113 | -4.067997 | 259436 | 281268 | SN594812 | Yes |
| SY23 1HG | 52.411585 | -4.067143 | 259495 | 281298 | SN594812 | Yes |
| SY23 1HH | 52.412165 | -4.068405 | 259411 | 281365 | SN594813 | Yes |
| SY23 1HJ | 52.411274 | -4.069967 | 259302 | 281269 | SN593812 | Yes |
| SY23 1HL | 52.41025 | -4.070948 | 259232 | 281157 | SN592811 | Yes |
| SY23 1HN | 52.41133 | -4.068866 | 259377 | 281273 | SN593812 | Yes |
| SY23 1HP | 52.414762 | -4.083335 | 258404 | 281683 | SN584816 | No |
| SY23 1HQ | 52.411795 | -4.068491 | 259404 | 281324 | SN594813 | Yes |
| SY23 1HS | 52.414586 | -4.083621 | 258384 | 281664 | SN583816 | Yes |
| SY23 1HX | 52.414052 | -4.083316 | 258403 | 281604 | SN584816 | Yes |
| SY23 1HY | 52.408823 | -4.072836 | 259099 | 281002 | SN590810 | No |
| SY23 1HZ | 52.413159 | -4.083465 | 258390 | 281505 | SN583815 | Yes |
| SY23 1JA | 52.413376 | -4.083931 | 258359 | 281530 | SN583815 | Yes |
| SY23 1JB | 52.41217 | -4.084492 | 258317 | 281397 | SN583813 | Yes |
| SY23 1JD | 52.408823 | -4.072836 | 259099 | 281002 | SN590810 | No |
| SY23 1JE | 52.412512 | -4.084479 | 258319 | 281435 | SN583814 | Yes |
| SY23 1JF | 52.412028 | -4.085897 | 258221 | 281384 | SN582813 | Yes |
| SY23 1JG | 52.412812 | -4.086331 | 258194 | 281472 | SN581814 | Yes |
| SY23 1JH | 52.413126 | -4.087405 | 258122 | 281509 | SN581815 | Yes |
| SY23 1JJ | 52.412801 | -4.086948 | 258152 | 281472 | SN581814 | Yes |
| SY23 1JL | 52.412231 | -4.087142 | 258137 | 281409 | SN581814 | Yes |
| SY23 1JN | 52.412154 | -4.087447 | 258116 | 281401 | SN581814 | Yes |
| SY23 1JP | 52.412702 | -4.087473 | 258116 | 281462 | SN581814 | Yes |
| SY23 1JQ | 52.413191 | -4.086261 | 258200 | 281514 | SN582815 | Yes |
| SY23 1JR | 52.412717 | -4.088165 | 258069 | 281465 | SN580814 | Yes |
| SY23 1JS | 52.412394 | -4.088635 | 258036 | 281430 | SN580814 | Yes |
| SY23 1JT | 52.412188 | -4.088551 | 258041 | 281407 | SN580814 | Yes |
| SY23 1JU | 52.411796 | -4.088386 | 258051 | 281363 | SN580813 | Yes |
| SY23 1JW | 52.41221 | -4.087847 | 258089 | 281408 | SN580814 | Yes |
| SY23 1JX | 52.411454 | -4.08887 | 258017 | 281326 | SN580813 | Yes |
| SY23 1JY | 52.408818 | -4.088951 | 258003 | 281033 | SN580810 | Yes |
| SY23 1LA | 52.414641 | -4.081535 | 258526 | 281666 | SN585816 | Yes |
| SY23 1LB | 52.413019 | -4.076606 | 258856 | 281476 | SN588814 | Yes |
| SY23 1LD | 52.413516 | -4.082615 | 258449 | 281543 | SN584815 | Yes |
| SY23 1LE | 52.414013 | -4.082976 | 258426 | 281599 | SN584815 | Yes |
| SY23 1LF | 52.413618 | -4.082414 | 258463 | 281554 | SN584815 | Yes |
| SY23 1LG | 52.414361 | -4.08211 | 258486 | 281636 | SN584816 | Yes |
| SY23 1LH | 52.41401 | -4.081638 | 258517 | 281596 | SN585815 | Yes |
| SY23 1LJ | 52.412672 | -4.078958 | 258695 | 281442 | SN586814 | No |
| SY23 1LL | 52.413039 | -4.079592 | 258653 | 281484 | SN586814 | Yes |
| SY23 1LN | 52.415105 | -4.080219 | 258617 | 281715 | SN586817 | Yes |
| SY23 1LP | 52.414217 | -4.079589 | 258657 | 281615 | SN586816 | Yes |
| SY23 1LQ | 52.41316 | -4.081863 | 258499 | 281502 | SN584815 | No |
| SY23 1LR | 52.414059 | -4.078332 | 258742 | 281595 | SN587815 | Yes |
| SY23 1LS | 52.41452 | -4.079221 | 258683 | 281648 | SN586816 | Yes |
| SY23 1LT | 52.414898 | -4.078695 | 258720 | 281689 | SN587816 | Yes |
| SY23 1LU | 52.41525 | -4.078108 | 258761 | 281727 | SN587817 | Yes |
| SY23 1LW | 52.415158 | -4.079251 | 258683 | 281719 | SN586817 | Yes |
| SY23 1LX | 52.415783 | -4.077971 | 258772 | 281786 | SN587817 | Yes |
| SY23 1LY | 52.415539 | -4.078019 | 258768 | 281759 | SN587817 | No |
| SY23 1LZ | 52.415071 | -4.077512 | 258801 | 281706 | SN588817 | Yes |
| SY23 1NA | 52.414922 | -4.076799 | 258849 | 281688 | SN588816 | Yes |
| SY23 1NB | 52.414408 | -4.077378 | 258808 | 281632 | SN588816 | Yes |
| SY23 1ND | 52.414147 | -4.076409 | 258873 | 281601 | SN588816 | Yes |
| SY23 1NE | 52.413447 | -4.076318 | 258877 | 281523 | SN588815 | Yes |
| SY23 1NF | 52.412602 | -4.077307 | 258807 | 281431 | SN588814 | No |
| SY23 1NG | 52.41359 | -4.077368 | 258806 | 281541 | SN588815 | Yes |
| SY23 1NH | 52.412593 | -4.077307 | 258807 | 281430 | SN588814 | Yes |
| SY23 1NJ | 52.414922 | -4.076799 | 258849 | 281688 | SN588816 | Yes |
| SY23 1NL | 52.415066 | -4.081408 | 258536 | 281713 | SN585817 | Yes |
| SY23 1NN | 52.41359 | -4.077368 | 258806 | 281541 | SN588815 | No |
| SY23 1NP | 52.414999 | -4.08267 | 258450 | 281708 | SN584817 | Yes |
| SY23 1NQ | 52.412602 | -4.077307 | 258807 | 281431 | SN588814 | No |
| SY23 1NR | 52.408823 | -4.072836 | 259099 | 281002 | SN590810 | No |
| SY23 1NS | 52.403479 | -4.043595 | 261071 | 280351 | SN610803 | Yes |
| SY23 1NT | 52.414562 | -4.082929 | 258431 | 281660 | SN584816 | Yes |
| SY23 1NU | 52.408823 | -4.072836 | 259099 | 281002 | SN590810 | No |
| SY23 1NX | 52.414462 | -4.082497 | 258460 | 281648 | SN584816 | Yes |
| SY23 1NY | 52.414723 | -4.08198 | 258496 | 281676 | SN584816 | Yes |
| SY23 1NZ | 52.41544 | -4.081073 | 258560 | 281754 | SN585817 | Yes |