| COR32 | Auch Cordeliers | 7325 | | | | | |
| GAS32 | Auch Gascogne | 7275 | | | | | |
| CON32 | Condom | 4411 | | | | | |
| FLE32 | Fleurance | 4034 | | | | | |
| IJO32 | L'Isle-Jourdain | 3763 | | | | | |
| EAU32 | Eauze | 2676 | | | | | |
| MDE32 | Mirande | 2556 | | | | | |
| VIZ32 | Vic-Fezensac | 2517 | | | | | |
| LEC32 | Lectoure | 2406 | | | | | |
| LOM32 | Lombez | 2306 | | | | | |
| GIM32 | Gimont | 2166 | | | | | |
| PL832 | Plaisance | 1834 | | | | | |
| NOG32 | Nogaro | 1762 | | | | | |
| MVZ32 | Mauvezin | 1570 | | | | | |
| RIS32 | Riscle | 1528 | | | | | |
| MIE32 | Miélan | 1346 | | | | | |
| MUB32 | Masseube | 1095 | | | | | |
| MAC32 | Marciac | 1030 | | | | | |
| PAV32 | Pavie | 1021 | | | | | |
| PRE32 | Preignan | 997 | | | | | |
| JEG32 | Jegun | 985 | | | | | |
| SN632 | Saramon | 946 | | | | | |
| SEI32 | Seissan | 945 | | | | | |
| VL632 | Villecomtal-sur-Arros | 927 | | | | | |
| HOU32 | Le Houga | 910 | | | | | |
| C3Z32 | Cazaubon | 877 | | | | | |
| END32 | Endoufielle | 845 | | | | | |
| CVZ32 | Castéra-Verduzan | 838 | | | | | |
| VA832 | Valence-sur-Baïse | 825 | | | | | |
| RNN32 | Barcelonne-du-Gers | 821 | | | | | |
| AIG32 | Aignan | 815 | | | | | |
| ST832 | Saint-Clar | 815 | | | | | |
| AUB32 | Aubiet | 807 | | | | | |
| MR832 | Marsan | 767 | | | | | |
| CTA32 | Castelnau-d'Auzan | 746 | | | | | |
| MT832 | Montréal | 701 | | | | | |
| SRR32 | Simorre | 685 | | | | | |
| CG232 | Cologne | 669 | | | | | |
| PUJ32 | Pujaudran | 656 | | | | | |
| GON32 | Gondrin | 648 | | | | | |
| MT632 | Saint-Mont | 633 | | | | | |
| BUC32 | Boucagnères | 631 | | | | | |
| MBR32 | Monbrun | 618 | | | | | |
| BC832 | Berrac | 617 | | | | | |
| IDN32 | L'Isle-de-Noé | 605 | | | | | |
| ES832 | Estang | 592 | | | | | |
| BAB32 | Cazaubon Barbotan | 565 | | | | | |
| MCI32 | Manciet | 557 | | | | | |
| PU832 | Puycasquier | 548 | | | | | |
| MSG32 | Montestruc-sur-Gers | 546 | | | | | |
| TEA32 | Termes-d'Armagnac | 540 | | | | | |
| MRD32 | Miradoux | 533 | | | | | |
| URG32 | Urgosse | 531 | | | | | |
| ST632 | Sauveterre | 526 | | | | | |
| PAN32 | Panassac | 525 | | | | | |
| MLZ32 | Monlezun | 523 | | | | | |
| CNS32 | Caussens | 496 | | | | | |
| RGP32 | Riguepeu | 487 | | | | | |
| LNX32 | Lannux | 486 | | | | | |
| CHR32 | Sainte-Christie | 439 | | | | | |
| SV832 | Savignac-Mona | 424 | | | | | |
| ORD32 | Ordan-Larroque | 424 | | | | | |
| TOC32 | Tournecoupe | 418 | | | | | |
| SOL32 | Solomiac | 413 | | | | | |
| MFT32 | Monfort | 399 | | | | | |
| VIO32 | Viozan | 396 | | | | | |
| MFS32 | Monferran-Savès | 392 | | | | | |
| LPX32 | Lannepax | 367 | | | | | |
| CLV32 | Castelnavet | 362 | | | | | |
| MH632 | Mouchan | 352 | | | | | |
| STP32 | Saint-Puy | 347 | | | | | |
| SME32 | Saint-Médard | 345 | | | | | |
| CD832 | Campagne-d'Armagnac | 341 | | | | | |
| BA632 | Bassoues | 329 | | | | | |
| UGN32 | Brugnens | 326 | | | | | |
| DEM32 | Dému | 321 | | | | | |
| EGC32 | Auch Engachies | 317 | | | | | |
| LY632 | Laymont | 312 | | | | | |
| TEU32 | Terraube | 309 | | | | | |
| MRA32 | Miramont-d'Astarac | 298 | | | | | |
| EMB32 | Auch Embats | 285 | | | | | |
| VE832 | Viella | 283 | | | | | |
| MZA32 | Monlezun-d'Armagnac | 275 | | | | | |
| MMT32 | Manent-Montané | 272 | | | | | |
| LA832 | Lamaguère | 268 | | | | | |
| GAZ32 | Gazax-et-Baccarisse | 267 | | | | | |
| BZE32 | Bézéril | 264 | | | | | |
| JLC32 | Saint-Jean-le-Comtal | 256 | | | | | |
| SDO32 | Sainte-Dode | 253 | | | | | |
| MNQ32 | Montesquiou | 250 | | | | | |
| LIG32 | Ligardes | 241 | | | | | |
| JPG32 | Saint-Jean-Poutge | 238 | | | | | |
| CBA32 | Castelnau-Barbarens | 234 | | | | | |
| MOG32 | Monguilhem | 232 | | | | | |
| CHA32 | Sainte-Christie-d'Armagnac | 225 | | | | | |
| MT732 | Monties | 220 | | | | | |
| LG632 | Lagardère | 220 | | | | | |
| SE832 | Sempesserre | 216 | | | | | |
| REJ32 | Réjaumont | 213 | | | | | |
| FL832 | Flamarens | 210 | | | | | |
| PAJ32 | Panjas | 206 | | | | | |
| SV632 | La Sauvetat | 205 | | | | | |
| RB632 | Roquebrune | 203 | | | | | |
| ISB32 | L'Isle-Bouzon | 203 | | | | | |
| MSL32 | Monclar-sur-Losse | 196 | | | | | |
| LA632 | Ladevèze-Rivière | 194 | | | | | |
| BM632 | Montréal Beaumont | 183 | | | | | |
| CT832 | Castillon-Debats | 77 | | | | | |
| MMA32 | Mont-de-Marrast | 77 | | | | | |
| MD832 | Mauléon-d'Armagnac | 77 | | | | | |
| FR232 | Fourcès | 77 | | | | | |
| MTA32 | Montaut | 77 | | | | | |
| CU632 | Courrensan | 77 | | | | | |
| PE632 | Pergain-Taillac | 76 | | | | | |
Taille moyenne des NRA : 832 lignes
Taille du NRA médian : 496 lignes
94 886 lignes au total