Postcode areas 32XXX
- Postcode area 32000 Auch
- Postcode area 32100 Condom
- Postcode area 32110 Nogaro
- Postcode area 32120 Mauvezin
- Postcode area 32130 Samatan
- Postcode area 32140 Masseube
- Postcode area 32150 Cazaubon
- Postcode area 32160 Plaisance
- Postcode area 32170 Miélan
- Postcode area 32190 Vic-Fezensac
- Postcode area 32200 Gimont
- Postcode area 32220 Lombez
- Postcode area 32230 Marciac
- Postcode area 32240 Estang
- Postcode area 32250 Montréal-du-Gers
- Postcode area 32260 Seissan
- Postcode area 32270 Aubiet
- Postcode area 32290 Aignan
- Postcode area 32300 Mirande
- Postcode area 32310 Valence-sur-Baïse
- Postcode area 32320 Montesquiou
- Postcode area 32330 Gondrin
- Postcode area 32340 Miradoux
- Postcode area 32350 Barran
- Postcode area 32360 Jegun
- Postcode area 32370 Manciet
- Postcode area 32380 Saint-Clar
- Postcode area 32390 Montestruc-sur-Gers
- Postcode area 32400 Riscle
- Postcode area 32410 Castéra-Verduzan
- Postcode area 32420 Simorre
- Postcode area 32430 Cologne
- Postcode area 32440 Castelnau-d'Auzan
- Postcode area 32450 Saramon
- Postcode area 32460 Le Houga
- Postcode area 32480 La Romieu
- Postcode area 32490 Monferran-Savès
- Postcode area 32500 Fleurance
- Postcode area 32550 Pavie
- Postcode area 32600 L'Isle-Jourdain
- Postcode area 32700 Lectoure
- Postcode area 32720 Barcelonne-du-Gers
- Postcode area 32730 Villecomtal-sur-Arros
- Postcode area 32800 Eauze
- Postcode area 32810 Preignan