PA1 — 11 codes dans 24 localités (Royaume-Uni).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Paisley | Renfrewshire · Scotland | 55.8317, -4.4325 | |
| Carruthmuir | Inverclyde · Scotland | 55.8316, -4.5447 | |
| Kilbarchan | Renfrewshire · Scotland | 55.8362, -4.5536 | |
| Millikenpark | Renfrewshire · Scotland | 55.827, -4.5359 | |
| Bridge of Weir | Renfrewshire · Scotland | 55.85, -4.5833 | |
| Quarrier's Village | Inverclyde · Scotland | 55.85, -4.5833 | |
| Lochwinnoch | Renfrewshire · Scotland | 55.7952, -4.6303 | |
| Auchenbothie | Inverclyde · Scotland | 55.8947, -4.6264 | |
| Auchenfoyle | Inverclyde · Scotland | 55.8947, -4.6264 | |
| Cairncurran | Inverclyde · Scotland | 55.8947, -4.6264 | |
| Duchal | Inverclyde · Scotland | 55.8947, -4.6264 | |
| Kilmacolm | Inverclyde · Scotland | 55.8947, -4.6264 | |
| Langbank | Renfrewshire · Scotland | 55.9236, -4.5926 | |
| Port Glasgow | Inverclyde · Scotland | 55.9346, -4.6895 | |
| Greenock | Renfrewshire · Scotland | 55.9484, -4.7612 | |
| Ardgowan | Inverclyde · Scotland | 55.9426, -4.8002 | |
| Chrisswell | Inverclyde · Scotland | 55.9426, -4.8002 | |
| Garvock | Inverclyde · Scotland | 55.9426, -4.8002 | |
| Greenock | Inverclyde · Scotland | 55.9484, -4.7612 | |
| Inverkip | Inverclyde · Scotland | 55.9083, -4.8705 | |
| Skelmorlie | North Ayrshire · Scotland | 55.8695, -4.8847 | |
| Upper Skelmorlie | North Ayrshire · Scotland | 55.8695, -4.8847 | |
| Wemyss Bay | Inverclyde · Scotland | 55.8761, -4.8895 | |
| Castle Levan | Inverclyde · Scotland | 55.9616, -4.8179 | |
| Gourock | Inverclyde · Scotland | 55.9616, -4.8179 |