| PO Number | Town / Place name | Code
| | 1 | Aberdeen |
|
| 2 | Aberfeldy |
|
| 3 | Aberdour | |
| Achnacroish |
|
| 4 | Aboyne |
|
| 5 | Aberchirdir | |
| Abernethy, Strathspey | |
| Nethy Bridge |
|
| 6 | Alford | |
| Advie |
|
| 7 | Alloa |
|
| 8 | Aberlour |
|
| 9 | Alexandria |
|
| 10 | Alness |
|
| 11 | Annan |
|
| 12 | Auchenblae | |
| Ardgour |
|
| 13 | Arbroath |
|
| 14 | Ardersier | |
| Fort George Station | |
| Gollanfield |
|
| 15 | Ardrossan |
|
| 16 | Abington |
|
| 17 | Airdrie |
|
| 18 | Arisaig | |
| Ardersier |
|
| 19 | Aultbea |
|
| 20 | Arrochar | |
| Avoch |
|
| 21 | Auchnacraig |
|
| 22 | Anstruther |
|
| 23 | Aros |
|
| 24 | Appin |
|
| 25 | Auchterader |
|
| 26 | Auchtermuchty |
|
| 27 | Ayr |
|
| 28 | Ayton |
|
| 29 | Assynt | |
| Auchnasheen | |
| Achnasheen |
|
| 30 | Alyth |
|
| 31 | Ballater |
|
| 32 | Crathie | |
| Bannockburn |
|
| 33 | Ballantree |
|
| 34 | Ballindalloch |
|
| 35 | Banchory |
|
| 36 | Banff |
|
| 37 | Macduff | |
| Birnam |
|
| 38 | Bathgate |
|
| 39 | Bauley |
|
| 40 | Beith |
|
| 41 | Biggar |
|
| 42 | Blackshiels | |
| Bogroy | |
| Blackridge |
|
| 43 | Bervie |
|
| 44 | Blair Athole | |
| Blair Atholl |
|
| 45 | Dalnacardoch | |
| Bankfoot |
|
| 46 | Blairgowrie |
|
| 47 | Blair Adam |
|
| 48 | Bonaw | |
| Bunessan |
|
| 49 | Bonar Bridge | |
| Ardgay |
|
| 50 | Bogray | |
| Ballachulish | |
| Ballachulish Ferry | |
| Ballachulish Quarries |
|
| 51 | Blackburn | |
| Buckhaven |
|
| 52 | Borrowstouness | |
| Boness | |
| Bunchrew |
|
| 53 | Bowmore | |
| Bridgend |
|
| 54 | Braco | |
| Buchlyvie |
|
| 55 | Blackhillock | |
| Buchlyvie |
|
| 56 | Braemar | |
| Bothwell |
|
| 57 | Brechin |
|
| 58 | Edzell | |
| Brodick |
|
| 59 | Broadford |
|
| 60 | Bridge of Earn |
|
| 61 | Buckie |
|
| 62 | Burntisland |
|
| 63 | Brucklaw | |
| Burnbank |
|
| 64 | Callander |
|
| 65 | Campbeltown | |
| Campbelton |
|
| 66 | Canonbie |
|
| 67 | Carluke |
|
| 68 | Cairnryan | |
| Catrine |
|
| 69 | Carnwath |
|
| 70 | Carsphain | |
| Carstairs Junction |
|
| 71 | Castle Douglas |
|
| 72 | Cairndow | |
| Castle Kennedy |
|
| 73 | Coldingham |
|
| 74 | Coldstream |
|
| 75 | Carrbridge |
|
| 76 | Carnoustie |
|
| 77 | Chance Inn | |
| Crossmichael |
|
| 78 | Colinsburgh |
|
| 79 | Comrie | |
| Coll |
|
| 80 | Crail |
|
| 81 | Cromdale |
|
| 82 | Craigellachie |
|
| 83 | Creetown |
|
| 84 | Crieff |
|
| 85 | Cromarty |
|
| 86 | Craigellachie Station |
|
| 87 | Cullen |
|
| 88 | Culross | |
| Corstophine |
|
| 89 | Crosshill |
|
| 90 | Cumnock |
|
| 91 | Cupar Angus | |
| Coupar Angus |
|
| 92 | Cupar |
|
| 93 | Cluny | |
| Colintraive |
|
| 94 | Castleton | |
| Colinton |
|
| 95 | Crinan | |
| Crianlarich |
|
| 96 | Cruden | |
| Cowdenbeath |
|
| 97 | Cockburnspath |
|
| 98 | Dalkeith |
|
| 99 | Delny |
|