Codes postaux 40XXX
- Code postal 40000 Mont-de-Marsan
- Code postal 40090 Saint-Perdon
- Code postal 40100 Dax
- Code postal 40110 Morcenx
- Code postal 40120 Roquefort
- Code postal 40130 Capbreton
- Code postal 40140 Soustons
- Code postal 40150 Hossegor
- Code postal 40160 Parentis-en-Born
- Code postal 40170 Saint-Julien-en-Born
- Code postal 40180 Narrosse
- Code postal 40190 Villeneuve-de-Marsan
- Code postal 40200 Mimizan
- Code postal 40210 Labouheyre
- Code postal 40220 Tarnos
- Code postal 40230 Saint-Vincent-de-Tyrosse
- Code postal 40240 Labastide-d'Armagnac
- Code postal 40250 Mugron
- Code postal 40260 Castets
- Code postal 40270 Grenade-sur-l'Adour
- Code postal 40280 Saint-Pierre-du-Mont
- Code postal 40290 Habas
- Code postal 40300 Peyrehorade
- Code postal 40310 Gabarret
- Code postal 40320 Geaune
- Code postal 40330 Amou
- Code postal 40350 Pouillon
- Code postal 40360 Pomarez
- Code postal 40370 Rion-des-Landes
- Code postal 40380 Montfort-en-Chalosse
- Code postal 40390 Saint-Martin-de-Seignanx
- Code postal 40400 Tartas
- Code postal 40410 Pissos
- Code postal 40420 Labrit
- Code postal 40430 Sore
- Code postal 40440 Ondres
- Code postal 40460 Sanguinet
- Code postal 40465 Pontonx-sur-l'Adour
- Code postal 40480 Vieux-Boucau-les-Bains
- Code postal 40500 Saint-Sever
- Code postal 40510 Seignosse
- Code postal 40530 Labenne
- Code postal 40550 Léon
- Code postal 40560 Vielle-Saint-Girons
- Code postal 40600 Biscarrosse
- Code postal 40630 Sabres
- Code postal 40660 Messanges
- Code postal 40700 Hagetmau
- Code postal 40800 Aire-sur-l'Adour
- Code postal 40990 Saint-Paul-lès-Dax