This is a list of postcodes in the SY20 area covering the areas of Machynlleth, Powys. The area contains approximately 3,136 households with a population of about 6,917 (2011 census)
Active postcode
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SY20 9PD | 52.656385 | -3.705061 | 284765 | 307883 | SH847078 | Yes |
| SY20 9PE | 52.66367 | -3.69109 | 285728 | 308671 | SH857086 | Yes |
| SY20 9PF | 52.657634 | -3.693237 | 285568 | 308003 | SH855080 | Yes |
| SY20 9PL | 52.640721 | -3.716409 | 283955 | 306159 | SH839061 | Yes |
| SY20 9PN | 52.640906 | -3.717317 | 283895 | 306181 | SH838061 | Yes |
| SY20 9PP | 52.641127 | -3.716927 | 283922 | 306205 | SH839062 | Yes |
| SY20 9PR | 52.640493 | -3.716666 | 283937 | 306134 | SH839061 | Yes |
| SY20 9PS | 52.639661 | -3.718215 | 283830 | 306044 | SH838060 | Yes |
| SY20 9PT | 52.637751 | -3.715376 | 284018 | 305827 | SH840058 | Yes |
| SY20 9PU | 52.637006 | -3.720298 | 283682 | 305752 | SH836057 | Yes |
| SY20 9PW | 52.640768 | -3.717519 | 283881 | 306166 | SH838061 | Yes |
| SY20 9PX | 52.638543 | -3.71223 | 284232 | 305910 | SH842059 | Yes |
| SY20 9PY | 52.637552 | -3.700516 | 285022 | 305781 | SH850057 | Yes |
| SY20 9PZ | 52.632652 | -3.687957 | 285860 | 305216 | SH858052 | Yes |
| SY20 9QA | 52.679968 | -3.717533 | 283984 | 310526 | SH839105 | Yes |
| SY20 9QG | 52.678153 | -3.718039 | 283944 | 310325 | SH839103 | Yes |
| SY20 9QH | 52.676733 | -3.708693 | 284573 | 310152 | SH845101 | Yes |
| SY20 9QJ | 52.676219 | -3.7082 | 284605 | 310094 | SH846100 | Yes |
| SY20 9QL | 52.676673 | -3.710348 | 284461 | 310148 | SH844101 | Yes |
| SY20 9QN | 52.677419 | -3.710377 | 284461 | 310231 | SH844102 | Yes |
| SY20 9QP | 52.676634 | -3.732253 | 282980 | 310179 | SH829101 | Yes |
| SY20 9QQ | 52.675924 | -3.733408 | 282900 | 310102 | SH828101 | No |
| SY20 9QR | 52.67921 | -3.73379 | 282883 | 310468 | SH828104 | No |
| SY20 9QW | 52.677168 | -3.70908 | 284548 | 310201 | SH845102 | Yes |
| SY20 9QY | 52.60134 | -3.85369 | 274554 | 302009 | SH745020 | Yes |
| SY20 9QZ | 52.603851 | -3.845438 | 275120 | 302274 | SH751022 | Yes |
| SY20 9RA | 52.610645 | -3.84624 | 275085 | 303031 | SH750030 | Yes |
| SY20 9RB | 52.626511 | -3.84416 | 275271 | 304792 | SH752047 | Yes |
| SY20 9RD | 52.6462 | -3.844767 | 275286 | 306983 | SH752069 | Yes |
| SY20 9RE | 52.652978 | -3.845436 | 275260 | 307738 | SH752077 | Yes |
| SY20 9RF | 52.654234 | -3.849673 | 274977 | 307885 | SH749078 | Yes |
| SY20 9RG | 52.663102 | -3.8638 | 274047 | 308896 | SH740088 | Yes |
| SY20 9RH | 52.669034 | -3.86738 | 273823 | 309562 | SH738095 | Yes |
| SY20 9RJ | 52.655391 | -3.840614 | 275594 | 307998 | SH755079 | Yes |
| SY20 9RL | 52.6568 | -3.838485 | 275742 | 308151 | SH757081 | Yes |
| SY20 9RN | 52.657322 | -3.837295 | 275823 | 308207 | SH758082 | Yes |
| SY20 9RP | 52.663789 | -3.827777 | 276485 | 308910 | SH764089 | Yes |
| SY20 9RQ | 52.663331 | -3.864682 | 273989 | 308923 | SH739089 | Yes |
| SY20 9RR | 52.666154 | -3.823113 | 276808 | 309165 | SH768091 | Yes |
| SY20 9RS | 52.669993 | -3.820759 | 276977 | 309588 | SH769095 | Yes |
| SY20 9RT | 52.670426 | -3.820082 | 277024 | 309635 | SH770096 | Yes |
| SY20 9RU | 52.671824 | -3.820421 | 277005 | 309791 | SH770097 | Yes |
| SY20 9RW | 52.662854 | -3.829571 | 276362 | 308809 | SH763088 | Yes |
| SY20 9RX | 52.67277 | -3.819691 | 277058 | 309895 | SH770098 | Yes |
| SY20 9RY | 52.672915 | -3.819046 | 277102 | 309910 | SH771099 | Yes |
| SY20 9RZ | 52.678125 | -3.808168 | 277852 | 310471 | SH778104 | Yes |
| SY20 9SA | 52.67974 | -3.813102 | 277523 | 310659 | SH775106 | Yes |
| SY20 9SB | 52.67619 | -3.828235 | 276490 | 310290 | SH764102 | Yes |
| SY20 9SD | 52.653385 | -3.841816 | 275507 | 307777 | SH755077 | Yes |
| SY20 9SH | 52.653519 | -3.842443 | 275464 | 307793 | SH754077 | Yes |
| SY20 9SJ | 52.65163 | -3.842511 | 275455 | 307583 | SH754075 | Yes |
| SY20 9SL | 52.652584 | -3.843039 | 275422 | 307690 | SH754076 | Yes |
| SY20 9SN | 52.652441 | -3.843004 | 275423 | 307674 | SH754076 | Yes |
| SY20 9SP | 52.654538 | -3.842249 | 275481 | 307906 | SH754079 | Yes |
| SY20 9SR | 52.654247 | -3.842474 | 275464 | 307874 | SH754078 | Yes |
| SY20 9SS | 52.654336 | -3.841945 | 275500 | 307883 | SH755078 | Yes |
| SY20 9ST | 52.689294 | -3.741336 | 282400 | 311602 | SH823116 | No |
| SY20 9SU | 52.654219 | -3.841393 | 275537 | 307869 | SH755078 | Yes |
| SY20 9SW | 52.654587 | -3.842577 | 275458 | 307912 | SH754079 | Yes |
| SY20 9SX | 52.654452 | -3.841462 | 275533 | 307895 | SH755078 | Yes |
| SY20 9SY | 52.654338 | -3.84125 | 275548 | 307882 | SH755078 | Yes |
| SY20 9SZ | 52.65397 | -3.840614 | 275589 | 307840 | SH755078 | Yes |
| SY20 9TA | 52.653645 | -3.840142 | 275620 | 307803 | SH756078 | Yes |
| SY20 9TB | 52.653589 | -3.839667 | 275652 | 307796 | SH756077 | Yes |
| SY20 9TD | 52.653697 | -3.83908 | 275692 | 307807 | SH756078 | Yes |
| SY20 9TE | 52.653834 | -3.838967 | 275700 | 307822 | SH757078 | Yes |
| SY20 9TF | 52.653454 | -3.838552 | 275727 | 307779 | SH757077 | Yes |
| SY20 9TG | 52.651923 | -3.838695 | 275713 | 307609 | SH757076 | Yes |
| SY20 9TH | 52.654879 | -3.842899 | 275438 | 307945 | SH754079 | Yes |
| SY20 9TJ | 52.655085 | -3.841814 | 275511 | 307966 | SH755079 | Yes |
| SY20 9TL | 52.655161 | -3.843266 | 275413 | 307977 | SH754079 | Yes |
| SY20 9TN | 52.655296 | -3.843804 | 275377 | 307993 | SH753079 | Yes |
| SY20 9TP | 52.655607 | -3.844616 | 275323 | 308029 | SH753080 | No |
| SY20 9TQ | 52.655345 | -3.84357 | 275393 | 307998 | SH753079 | Yes |
| SY20 9TR | 52.655735 | -3.845064 | 275294 | 308044 | SH752080 | No |
| SY20 9TS | 52.656279 | -3.847645 | 275120 | 308109 | SH751081 | Yes |
| SY20 9TT | 52.656909 | -3.848204 | 275084 | 308180 | SH750081 | Yes |
| SY20 9TW | 52.655405 | -3.844341 | 275341 | 308006 | SH753080 | Yes |
| SY20 9WA | 52.588919 | -3.843614 | 275201 | 300610 | SH752006 | No |
| SY20 9WB | 52.656097 | -3.789827 | 279031 | 307990 | SH790079 | No |
| SY20 9WD | 52.655387 | -3.84434 | 275341 | 308004 | SH753080 | No |
| SY20 9WE | 52.656097 | -3.789827 | 279031 | 307990 | SH790079 | No |
| SY20 9WF | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |
| SY20 9WG | 52.656097 | -3.789827 | 279031 | 307990 | SH790079 | No |
| SY20 9WH | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |
| SY20 9WJ | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |
| SY20 9WL | 52.654461 | -3.844922 | 275299 | 307902 | SH752079 | No |
| SY20 9WN | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |
| SY20 9WP | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |
| SY20 9WX | 52.589385 | -3.843723 | 275195 | 300662 | SH751006 | No |
| SY20 9WY | 52.589385 | -3.843723 | 275195 | 300662 | SH751006 | No |
| SY20 9WZ | 52.589385 | -3.843723 | 275195 | 300662 | SH751006 | No |
| SY20 9ZP | 52.589385 | -3.843723 | 275195 | 300662 | SH751006 | No |
| SY20 9ZR | 52.590371 | -3.852518 | 274602 | 300787 | SH746007 | No |