| MUT38 | Grenoble Mutualite | 30000 | | | | | | |
| DRA38 | Grenoble Drac | 28000 | | | | | | |
| PAS38 | Grenoble Pasteur | 26000 | | | | | | |
| VIG38 | Grenoble Vigny | 25000 | | | | | | |
| BGN38 | Bourgoin-Jallieu | 22000 | | | | | | |
| VIE38 | Vienne | 21000 | | | | | | |
| WMH38 | Saint-Martin-d'Hères | 19000 | | | | | | |
| VOI38 | Voiron | 17000 | | | | | | |
| FON38 | Fontaine | 16000 | | | | | | |
| MEY38 | Meylan | 13000 | | | | | | |
| PDC38 | Pont-de-Chéruy | 13000 | | | | | | |
| WEG38 | Saint-Égrève | 13000 | | | | | | |
| ROU38 | Roussillon | 13000 | | | | | | |
| YCL38 | Le Pont-de-Claix | 11000 | | | | | | |
| TDP38 | La Tour-du-Pin | 9000 | | | | | | |
| WMA38 | Saint-Marcellin | 8000 | | | | | | |
| VIL38 | Villefontaine | 8000 | | | | | | |
| LVP38 | La Verpillière | 8000 | | | | | | |
| VIB38 | Villard-Bonnot | 8000 | | | | | | |
| RIV38 | Rives | 7000 | | | | | | |
| CRO38 | Crolles | 7000 | | | | | | |
| WIS38 | Saint-Ismier | 7000 | | | | | | |
| DOM38 | Domène | 6000 | | | | | | |
| YBE38 | Le Pont-de-Beauvoisin | 6000 | | | | | | |
| MOR38 | Morestel | 6000 | | | | | | |
| VIZ38 | Vizille | 5000 | | | | | | |
| YCH38 | Pontcharra | 4900 | | | | | | |
| VIF38 | Vif | 4600 | | | | | | |
| PTE38 | Pont-Évêque | 4400 | | | | | | |
| MOI38 | Moirans | 4200 | | | | | | |
| COT38 | La Côte-Saint-André | 4200 | | | | | | |
| TUL38 | Tullins | 4100 | | | | | | |
| VOR38 | Voreppe | 4100 | | | | | | |
| WGG38 | Aoste Saint Genix sur Guiers | 3800 | | | | | | |
| CRE38 | Crémieu | 3800 | | | | | | |
| ABR38 | Les Abrets | 3800 | | | | | | |
| BEA38 | Beaurepaire | 3700 | | | | | | |
| AVE38 | Les Avenières | 3600 | | | | | | |
| VAR38 | Varces-Allières-et-Risset | 3500 | | | | | | |
| RCU38 | Les Roches-de-Condrieu | 3200 | | | | | | |
| WET38 | Saint-Étienne-de-Saint-Geoirs | 3200 | | | | | | |
| GIE38 | Gières | 3100 | | | | | | |
| TOU38 | Le Touvet | 2900 | | | | | | |
| JAR38 | Jarrie | 2800 | | | | | | |
| VAU38 | Vaulnaveys-le-Haut | 2800 | | | | | | |
| VIN38 | Vinay | 2500 | | | | | | |
| CHN38 | Chanas | 2500 | | | | | | |
| VIV38 | Villette-de-Vienne | 2500 | | | | | | |
| BRI38 | Brié-et-Angonnes | 2400 | | | | | | |
| EPA38 | Les Éparres | 2400 | | | | | | |
| SGE38 | Saint-Georges-d'Espéranche | 2300 | | | | | | |
| ANJ38 | Anjou | 2300 | | | | | | |
| TER38 | La Terrasse | 2200 | | | | | | |
| S8S38 | Seyssins | 2100 | | | | | | |
| WMU38 | Saint-Martin-d'Uriage | 2100 | | | | | | |
| NOY38 | Noyarey | 2000 | | | | | | |
| IZE38 | Izeaux | 2000 | | | | | | |
| BIO38 | Biol | 1900 | | | | | | |
| CES38 | Cessieu | 1900 | | | | | | |
| DOL38 | Dolomieu | 1700 | | | | | | |
| SEP38 | Septème | 1600 | | | | | | |
| VB238 | Virieu | 1500 | | | | | | |
| BU238 | Bellegarde-Poussieu | 1400 | | | | | | |
| ZAP38 | Chapareillan | 1350 | | | | | | |
| CBL38 | Corbelin | 1150 | | | | | | |
| ZIR38 | Chirens | 1150 | | | | | | |
| WHI38 | Saint-Hilaire Saint-hilaire-du-touvet | 1100 | | | | | | |
| L2T38 | La Murette | 850 | | | | | | |
| S2B38 | Saint-Blaise-du-Buis | 350 | | | | | | |
Taille moyenne des NRA : 6 753 lignes
Taille du NRA médian : 3 800 lignes
465 950 lignes au total