SY18 postcodes Powys
This is a list of postcodes in the SY18 area covering the areas of Llanidloes, Powys. The area contains approximately 2,126 households with a population of about 4,648 (2011 census)
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SY1 SY2 SY3 SY4 SY5 SY6 SY7 SY8 SY9 SY10 SY11 SY12 SY13 SY14 SY15 SY16 SY17 SY18 SY19 SY20 SY21 SY22 SY23 SY24 SY25 SY99Filter by sector
SY18 6 SY18 9Nearby districts
SY17 LD6 SY19 SY16 LD4 LD1 LD5 SY20 LD2 SY24Click to view map
Key
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Postcode no longer in use- Page 1 of 2 (246 postcodes, 225 active)
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| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SY18 6AA | 52.449219 | -3.540748 | 295386 | 284590 | SN953845 | Yes |
| SY18 6AB | 52.44821 | -3.54063 | 295392 | 284478 | SN953844 | Yes |
| SY18 6AD | 52.449028 | -3.541321 | 295347 | 284570 | SN953845 | Yes |
| SY18 6AE | 52.448419 | -3.541426 | 295338 | 284502 | SN953845 | Yes |
| SY18 6AF | 52.449437 | -3.541674 | 295324 | 284616 | SN953846 | Yes |
| SY18 6AG | 52.44928 | -3.542957 | 295236 | 284600 | SN952845 | Yes |
| SY18 6AH | 52.448797 | -3.542764 | 295248 | 284546 | SN952845 | Yes |
| SY18 6AJ | 52.446343 | -3.546569 | 294984 | 284279 | SN949842 | Yes |
| SY18 6AL | 52.449537 | -3.541907 | 295308 | 284627 | SN953846 | Yes |
| SY18 6AN | 52.449662 | -3.541278 | 295351 | 284640 | SN953846 | Yes |
| SY18 6AP | 52.450326 | -3.540007 | 295439 | 284712 | SN954847 | Yes |
| SY18 6AQ | 52.449962 | -3.544812 | 295112 | 284679 | SN951846 | Yes |
| SY18 6AR | 52.450273 | -3.539225 | 295492 | 284705 | SN954847 | Yes |
| SY18 6AS | 52.450871 | -3.537147 | 295635 | 284769 | SN956847 | Yes |
| SY18 6AT | 52.451855 | -3.532319 | 295965 | 284871 | SN959848 | Yes |
| SY18 6AU | 52.450273 | -3.538563 | 295537 | 284704 | SN955847 | Yes |
| SY18 6AW | 52.449401 | -3.540563 | 295399 | 284610 | SN953846 | Yes |
| SY18 6AX | 52.449261 | -3.53793 | 295578 | 284591 | SN955845 | Yes |
| SY18 6AY | 52.448696 | -3.537448 | 295609 | 284527 | SN956845 | Yes |
| SY18 6AZ | 52.449118 | -3.535388 | 295750 | 284571 | SN957845 | Yes |
| SY18 6BA | 52.449628 | -3.534199 | 295832 | 284626 | SN958846 | Yes |
| SY18 6BB | 52.44939 | -3.53731 | 295620 | 284604 | SN956846 | Yes |
| SY18 6BD | 52.44949 | -3.538624 | 295531 | 284617 | SN955846 | Yes |
| SY18 6BE | 52.450189 | -3.539831 | 295451 | 284697 | SN954846 | Yes |
| SY18 6BF | 52.452277 | -3.543474 | 295208 | 284934 | SN952849 | Yes |
| SY18 6BG | 52.444546 | -3.537127 | 295621 | 284065 | SN956840 | Yes |
| SY18 6BH | 52.448137 | -3.541034 | 295364 | 284470 | SN953844 | Yes |
| SY18 6BJ | 52.44651 | -3.53824 | 295550 | 284285 | SN955842 | Yes |
| SY18 6BL | 52.448686 | -3.539552 | 295466 | 284529 | SN954845 | Yes |
| SY18 6BN | 52.448579 | -3.539489 | 295470 | 284517 | SN954845 | Yes |
| SY18 6BP | 52.444844 | -3.536358 | 295674 | 284097 | SN956840 | Yes |
| SY18 6BQ | 52.448727 | -3.543365 | 295207 | 284539 | SN952845 | Yes |
| SY18 6BS | 52.448636 | -3.538609 | 295530 | 284522 | SN955845 | Yes |
| SY18 6BT | 52.448892 | -3.538235 | 295556 | 284550 | SN955845 | No |
| SY18 6BU | 52.448282 | -3.538558 | 295533 | 284483 | SN955844 | Yes |
| SY18 6BW | 52.448228 | -3.539521 | 295467 | 284478 | SN954844 | Yes |
| SY18 6BX | 52.448231 | -3.5376 | 295598 | 284476 | SN955844 | Yes |
| SY18 6BY | 52.447454 | -3.538214 | 295554 | 284390 | SN955843 | Yes |
| SY18 6BZ | 52.447649 | -3.538471 | 295537 | 284412 | SN955844 | Yes |
| SY18 6DA | 52.447267 | -3.537384 | 295610 | 284368 | SN956843 | Yes |
| SY18 6DB | 52.447086 | -3.538531 | 295532 | 284350 | SN955843 | Yes |
| SY18 6DD | 52.445848 | -3.537938 | 295569 | 284211 | SN955842 | Yes |
| SY18 6DE | 52.446531 | -3.537629 | 295592 | 284286 | SN955842 | Yes |
| SY18 6DF | 52.447634 | -3.537197 | 295624 | 284409 | SN956844 | Yes |
| SY18 6DG | 52.446743 | -3.537224 | 295620 | 284309 | SN956843 | Yes |
| SY18 6DH | 52.445568 | -3.535956 | 295703 | 284177 | SN957841 | Yes |
| SY18 6DJ | 52.444982 | -3.536112 | 295691 | 284112 | SN956841 | Yes |
| SY18 6DL | 52.444577 | -3.536157 | 295687 | 284067 | SN956840 | Yes |
| SY18 6DN | 52.443485 | -3.534383 | 295805 | 283943 | SN958839 | Yes |
| SY18 6DP | 52.444695 | -3.540163 | 295415 | 284086 | SN954840 | Yes |
| SY18 6DQ | 52.446296 | -3.535305 | 295749 | 284257 | SN957842 | Yes |
| SY18 6DR | 52.444261 | -3.539736 | 295443 | 284037 | SN954840 | Yes |
| SY18 6DS | 52.443967 | -3.53952 | 295457 | 284004 | SN954840 | Yes |
| SY18 6DT | 52.44354 | -3.54052 | 295388 | 283958 | SN953839 | Yes |
| SY18 6DU | 52.443923 | -3.541475 | 295324 | 284002 | SN953840 | Yes |
| SY18 6DW | 52.443704 | -3.538275 | 295541 | 283973 | SN955839 | Yes |
| SY18 6DX | 52.444656 | -3.541148 | 295348 | 284083 | SN953840 | Yes |
| SY18 6DY | 52.444816 | -3.540579 | 295387 | 284100 | SN953841 | Yes |
| SY18 6DZ | 52.447314 | -3.537915 | 295574 | 284374 | SN955843 | Yes |
| SY18 6EA | 52.446266 | -3.534156 | 295827 | 284252 | SN958842 | Yes |
| SY18 6EB | 52.447393 | -3.535961 | 295707 | 284380 | SN957843 | Yes |
| SY18 6ED | 52.446289 | -3.533774 | 295853 | 284254 | SN958842 | Yes |
| SY18 6EE | 52.449448 | -3.5401 | 295431 | 284615 | SN954846 | Yes |
| SY18 6EF | 52.449264 | -3.53977 | 295453 | 284594 | SN954845 | Yes |
| SY18 6EG | 52.449794 | -3.540076 | 295433 | 284653 | SN954846 | No |
| SY18 6EH | 52.446774 | -3.540074 | 295426 | 284317 | SN954843 | Yes |
| SY18 6EJ | 52.447166 | -3.540971 | 295366 | 284362 | SN953843 | Yes |
| SY18 6EL | 52.447392 | -3.541611 | 295323 | 284388 | SN953843 | No |
| SY18 6EN | 52.447873 | -3.541289 | 295346 | 284441 | SN953844 | Yes |
| SY18 6EP | 52.446038 | -3.539975 | 295431 | 284235 | SN954842 | Yes |
| SY18 6EQ | 52.448704 | -3.539956 | 295439 | 284532 | SN954845 | Yes |
| SY18 6ER | 52.445321 | -3.539082 | 295490 | 284154 | SN954841 | Yes |
| SY18 6ES | 52.446303 | -3.541661 | 295317 | 284267 | SN953842 | Yes |
| SY18 6ET | 52.444225 | -3.543148 | 295211 | 284038 | SN952840 | Yes |
| SY18 6EU | 52.442485 | -3.542117 | 295277 | 283843 | SN952838 | Yes |
| SY18 6EW | 52.447861 | -3.541192 | 295353 | 284440 | SN953844 | Yes |
| SY18 6EX | 52.442919 | -3.545787 | 295029 | 283897 | SN950838 | Yes |
| SY18 6EY | 52.447694 | -3.540215 | 295419 | 284420 | SN954844 | Yes |
| SY18 6EZ | 52.447427 | -3.540317 | 295411 | 284390 | SN954843 | Yes |
| SY18 6FA | 52.444969 | -3.532631 | 295928 | 284106 | SN959841 | Yes |
| SY18 6FB | 52.444969 | -3.532631 | 295928 | 284106 | SN959841 | Yes |
| SY18 6FD | 52.453148 | -3.530074 | 296121 | 285012 | SN961850 | Yes |
| SY18 6FE | 52.448042 | -3.53307 | 295905 | 284448 | SN959844 | Yes |
| SY18 6FF | 52.448056 | -3.533076 | 295905 | 284450 | SN959844 | Yes |
| SY18 6FG | 52.4513 | -3.533218 | 295903 | 284811 | SN959848 | Yes |
| SY18 6FH | 52.405361 | -3.605306 | 290890 | 279807 | SN908798 | Yes |
| SY18 6HA | 52.451793 | -3.53919 | 295498 | 284874 | SN954848 | Yes |
| SY18 6HB | 52.455315 | -3.545567 | 295073 | 285275 | SN950852 | Yes |
| SY18 6HD | 52.452104 | -3.539451 | 295481 | 284909 | SN954849 | Yes |
| SY18 6HE | 52.452008 | -3.540639 | 295400 | 284900 | SN954849 | No |
| SY18 6HF | 52.452506 | -3.539641 | 295469 | 284954 | SN954849 | Yes |
| SY18 6HG | 52.451362 | -3.539837 | 295453 | 284827 | SN954848 | Yes |
| SY18 6HH | 52.451974 | -3.540506 | 295409 | 284896 | SN954848 | Yes |
| SY18 6HJ | 52.451932 | -3.540901 | 295382 | 284892 | SN953848 | Yes |
| SY18 6HL | 52.451963 | -3.542668 | 295262 | 284898 | SN952848 | Yes |
| SY18 6HN | 52.451391 | -3.540353 | 295418 | 284831 | SN954848 | Yes |
| SY18 6HP | 52.45324 | -3.537165 | 295639 | 285032 | SN956850 | Yes |
| SY18 6HQ | 52.451764 | -3.540057 | 295439 | 284872 | SN954848 | Yes |
| SY18 6HR | 52.454083 | -3.544618 | 295135 | 285137 | SN951851 | Yes |
| SY18 6HS | 52.453862 | -3.544604 | 295135 | 285112 | SN951851 | Yes |
| SY18 6HT | 52.454597 | -3.544777 | 295125 | 285194 | SN951851 | Yes |
| SY18 6HU | 52.453774 | -3.541039 | 295377 | 285097 | SN953850 | Yes |
| SY18 6HW | 52.451827 | -3.541428 | 295346 | 284881 | SN953848 | Yes |
| SY18 6HX | 52.4534 | -3.540055 | 295443 | 285054 | SN954850 | Yes |
| SY18 6HY | 52.453766 | -3.538905 | 295522 | 285093 | SN955850 | Yes |
| SY18 6HZ | 52.454298 | -3.53807 | 295580 | 285151 | SN955851 | Yes |
| SY18 6JA | 52.460965 | -3.530796 | 296090 | 285882 | SN960858 | Yes |
| SY18 6JB | 52.459523 | -3.532768 | 295953 | 285724 | SN959857 | Yes |
| SY18 6JD | 52.45766 | -3.535361 | 295772 | 285521 | SN957855 | Yes |
| SY18 6JE | 52.452474 | -3.537977 | 295582 | 284948 | SN955849 | Yes |
| SY18 6JF | 52.448077 | -3.533851 | 295852 | 284453 | SN958844 | No |
| SY18 6JG | 52.452697 | -3.541576 | 295338 | 284978 | SN953849 | Yes |
| SY18 6JH | 52.441408 | -3.536126 | 295682 | 283715 | SN956837 | Yes |
| SY18 6JJ | 52.42864 | -3.520556 | 296710 | 282272 | SN967822 | Yes |
| SY18 6JL | 52.411302 | -3.514217 | 297101 | 280335 | SN971803 | Yes |
| SY18 6JN | 52.407969 | -3.514332 | 297085 | 279964 | SN970799 | Yes |
| SY18 6JP | 52.424334 | -3.506422 | 297661 | 281773 | SN976817 | Yes |
| SY18 6JQ | 52.456098 | -3.535189 | 295780 | 285347 | SN957853 | Yes |
| SY18 6JR | 52.419977 | -3.497715 | 298243 | 281276 | SN982812 | Yes |
| SY18 6JS | 52.428087 | -3.486988 | 298991 | 282163 | SN989821 | Yes |
| SY18 6JT | 52.424005 | -3.471217 | 300054 | 281687 | SO000816 | Yes |
| SY18 6JU | 52.413534 | -3.466977 | 300319 | 280517 | SO003805 | Yes |
| SY18 6JW | 52.391683 | -3.49447 | 298399 | 278124 | SN983781 | Yes |
| SY18 6JX | 52.401887 | -3.47054 | 300050 | 279226 | SO000792 | Yes |
| SY18 6JY | 52.435578 | -3.494728 | 298482 | 283007 | SN984830 | Yes |
| SY18 6JZ | 52.432879 | -3.513906 | 297172 | 282734 | SN971827 | Yes |
| SY18 6LA | 52.444756 | -3.519537 | 296817 | 284063 | SN968840 | Yes |
| SY18 6LB | 52.445658 | -3.533178 | 295892 | 284183 | SN958841 | Yes |
| SY18 6LD | 52.44581 | -3.532263 | 295955 | 284199 | SN959841 | Yes |
| SY18 6LE | 52.455128 | -3.535427 | 295762 | 285239 | SN957852 | Yes |
| SY18 6LG | 52.470717 | -3.528882 | 296243 | 286964 | SN962869 | Yes |
| SY18 6LH | 52.446754 | -3.497519 | 298318 | 284254 | SN983842 | Yes |
| SY18 6LJ | 52.446747 | -3.480907 | 299447 | 284230 | SN994842 | Yes |
| SY18 6LL | 52.451011 | -3.472117 | 300054 | 284692 | SO000846 | Yes |
| SY18 6LN | 52.453392 | -3.48734 | 299025 | 284978 | SN990849 | Yes |
| SY18 6LP | 52.462603 | -3.486626 | 299095 | 286002 | SN990860 | Yes |
| SY18 6LQ | 52.455016 | -3.497535 | 298336 | 285173 | SN983851 | Yes |
| SY18 6LR | 52.470359 | -3.495715 | 298495 | 286877 | SN984868 | Yes |
| SY18 6LS | 52.48129 | -3.49803 | 298363 | 288096 | SN983880 | Yes |
| SY18 6LT | 52.469735 | -3.513022 | 297318 | 286832 | SN973868 | Yes |
| SY18 6LU | 52.461133 | -3.510695 | 297456 | 285872 | SN974858 | Yes |
| SY18 6LW | 52.465263 | -3.472696 | 300047 | 286278 | SO000862 | Yes |
| SY18 6LX | 52.457087 | -3.48012 | 299524 | 285379 | SN995853 | Yes |
| SY18 6NA | 52.474529 | -3.549686 | 294839 | 287418 | SN948874 | Yes |
| SY18 6NB | 52.451475 | -3.553562 | 294521 | 284860 | SN945848 | Yes |
| SY18 6ND | 52.456335 | -3.554558 | 294465 | 285402 | SN944854 | Yes |
| SY18 6NE | 52.458663 | -3.559696 | 294121 | 285668 | SN941856 | Yes |
| SY18 6NF | 52.460944 | -3.566033 | 293696 | 285931 | SN936859 | Yes |
| SY18 6NG | 52.465988 | -3.558225 | 294239 | 286481 | SN942864 | Yes |
| SY18 6NH | 52.481295 | -3.527864 | 296337 | 288139 | SN963881 | Yes |
| SY18 6NJ | 52.481931 | -3.530139 | 296184 | 288213 | SN961882 | Yes |
| SY18 6NL | 52.475818 | -3.547361 | 295000 | 287558 | SN949875 | Yes |
| SY18 6NN | 52.470974 | -3.551284 | 294722 | 287025 | SN947870 | Yes |
| SY18 6NP | 52.477777 | -3.554968 | 294488 | 287787 | SN944877 | Yes |
| SY18 6NQ | 52.469487 | -3.539881 | 295493 | 286843 | SN954868 | Yes |
| SY18 6NR | 52.483499 | -3.552578 | 294664 | 288420 | SN946884 | Yes |
| SY18 6NS | 52.494796 | -3.567972 | 293646 | 289699 | SN936896 | Yes |
| SY18 6NT | 52.49165 | -3.580027 | 292820 | 289367 | SN928893 | Yes |
| SY18 6NU | 52.467553 | -3.60056 | 291367 | 286718 | SN913867 | Yes |
| SY18 6NW | 52.475036 | -3.548717 | 294906 | 287473 | SN949874 | Yes |
| SY18 6NX | 52.476929 | -3.619233 | 290122 | 287789 | SN901877 | Yes |
| SY18 6NY | 52.457872 | -3.628748 | 289428 | 285684 | SN894856 | Yes |
| SY18 6NZ | 52.459945 | -3.59698 | 291591 | 285866 | SN915858 | Yes |
| SY18 6PA | 52.473997 | -3.548127 | 294944 | 287357 | SN949873 | Yes |
| SY18 6PB | 52.47411 | -3.548426 | 294924 | 287370 | SN949873 | Yes |
| SY18 6PG | 52.444918 | -3.549264 | 294797 | 284124 | SN947841 | Yes |
| SY18 6PH | 52.442835 | -3.556966 | 294269 | 283904 | SN942839 | Yes |
| SY18 6PJ | 52.448079 | -3.579467 | 292752 | 284520 | SN927845 | Yes |
| SY18 6PL | 52.43134 | -3.575956 | 292950 | 282653 | SN929826 | Yes |
| SY18 6PN | 52.441293 | -3.579989 | 292700 | 283766 | SN927837 | Yes |
| SY18 6PP | 52.435183 | -3.640151 | 288595 | 283178 | SN885831 | Yes |
| SY18 6PQ | 52.449336 | -3.570859 | 293340 | 284647 | SN933846 | Yes |
| SY18 6PR | 52.454486 | -3.634606 | 289021 | 285316 | SN890853 | Yes |
| SY18 6PS | 52.451157 | -3.634821 | 288998 | 284946 | SN889849 | Yes |
| SY18 6PT | 52.465434 | -3.663202 | 287106 | 286578 | SN871865 | Yes |
| SY18 6PW | 52.45084 | -3.601492 | 291262 | 284860 | SN912848 | Yes |
| SY18 6QA | 52.423338 | -3.538807 | 295457 | 281709 | SN954817 | Yes |
| SY18 6QB | 52.420716 | -3.545724 | 294980 | 281427 | SN949814 | Yes |
| SY18 6QD | 52.408464 | -3.536563 | 295574 | 280051 | SN955800 | Yes |
| SY18 6QE | 52.399728 | -3.552193 | 294490 | 279102 | SN944791 | Yes |
| SY18 6QF | 52.409699 | -3.558997 | 294051 | 280221 | SN940802 | Yes |
| SY18 6QG | 52.396241 | -3.576468 | 292830 | 278750 | SN928787 | Yes |
| SY18 6QH | 52.416271 | -3.56547 | 293627 | 280961 | SN936809 | Yes |
| SY18 6QJ | 52.418689 | -3.566879 | 293537 | 281233 | SN935812 | Yes |
| SY18 6QL | 52.425794 | -3.557866 | 294167 | 282010 | SN941820 | Yes |
| SY18 6QN | 52.423628 | -3.549915 | 294702 | 281757 | SN947817 | Yes |
| SY18 6QP | 52.448029 | -3.539662 | 295457 | 284456 | SN954844 | Yes |
| SY18 6QQ | 52.416676 | -3.557626 | 294161 | 280995 | SN941809 | Yes |
| SY18 6QT | 52.405677 | -3.500876 | 297995 | 279690 | SN979796 | Yes |
| SY18 6QU | 52.401239 | -3.508398 | 297473 | 279207 | SN974792 | Yes |
| SY18 6QX | 52.407417 | -3.525824 | 296302 | 279919 | SN963799 | Yes |
| SY18 6QY | 52.402127 | -3.539224 | 295378 | 279350 | SN953793 | Yes |
| SY18 6RA | 52.439701 | -3.5453 | 295054 | 283538 | SN950835 | Yes |
| SY18 6RB | 52.435974 | -3.542242 | 295253 | 283119 | SN952831 | Yes |
| SY18 6RE | 52.44037 | -3.545029 | 295074 | 283612 | SN950836 | Yes |
| SY18 6RF | 52.429435 | -3.544514 | 295083 | 282395 | SN950823 | Yes |
| SY18 6RG | 52.422274 | -3.552397 | 294530 | 281610 | SN945816 | Yes |
| SY18 6RH | 52.422356 | -3.550929 | 294630 | 281617 | SN946816 | Yes |
| SY18 6RJ | 52.414855 | -3.565155 | 293645 | 280804 | SN936808 | Yes |
| SY18 6RL | 52.403262 | -3.573161 | 293072 | 279526 | SN930795 | Yes |
- Page 1 of 2 (246 postcodes, 225 active)
- Next >
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license