| GAS45 | Orléans Grenier a Sel | 29000 | | | | | | |
| MON45 | Montargis | 25000 | | | | | | |
| MRC45 | Orléans Saint Marceau | 21000 | | | | | | |
| MST45 | Orléans Marie Stuart | 18000 | | | | | | |
| DOU45 | Saint-Jean-de-la-Ruelle Doumer | 17000 | | | | | | |
| SOU45 | Orléans La Source | 14000 | | | | | | |
| SAR45 | Saran | 11000 | | | | | | |
| GIE45 | Gien | 10000 | | | | | | |
| PIH45 | Pithiviers | 8000 | | | | | | |
| SJB45 | Saint-Jean-de-Braye | 7000 | | | | | | |
| BGY45 | Beaugency | 6000 | | | | | | |
| CCY45 | Chécy | 6000 | | | | | | |
| CSL45 | Châteauneuf-sur-Loire | 4500 | | | | | | |
| FSA45 | La Ferté-Saint-Aubin | 3700 | | | | | | |
| MNG45 | Meung-sur-Loire | 3600 | | | | | | |
| JRG45 | Jargeau | 3500 | | | | | | |
| DEV45 | Saint-Denis-en-Val | 3400 | | | | | | |
| BRI45 | Briare | 3200 | | | | | | |
| SAY45 | Saint-Ay | 3100 | | | | | | |
| ING45 | Ingré | 2800 | | | | | | |
| SUL45 | Sully-sur-Loire 1 | 2800 | | | | | | |
| FAY45 | Fay-aux-Loges | 2600 | | | | | | |
| TGY45 | Tigy | 2500 | | | | | | |
| COU45 | Courtenay | 2300 | | | | | | |
| NVL45 | Neuville-aux-Bois | 2300 | | | | | | |
| CHL45 | Châtillon-sur-Loire | 2200 | | | | | | |
| FER45 | Ferrières-en-Gâtinais | 2200 | | | | | | |
| OUL45 | Ouzouer-sur-Loire | 2200 | | | | | | |
| MAL45 | Malesherbes 1 | 2000 | | | | | | |
| PUI45 | Puiseaux | 2000 | | | | | | |
| LOR45 | Lorris | 1900 | | | | | | |
| DHL45 | Saint-Denis-de-l'Hôtel | 1900 | | | | | | |
| MGY45 | Marigny-les-Usages | 1900 | | | | | | |
| BEA45 | Beaune-la-Rolande | 1900 | | | | | | |
| BEL45 | Bellegarde | 1900 | | | | | | |
| BOR45 | Les Bordes | 1900 | | | | | | |
| CTR45 | Château-Renard | 1900 | | | | | | |
| SDN45 | Sandillon | 1800 | | | | | | |
| DOR45 | Dordives | 1800 | | | | | | |
| CHC45 | Châtillon-Coligny | 1800 | | | | | | |
| FON45 | Fontenay-sur-Loing | 1600 | | | | | | |
| MAH45 | Malesherbes 2 | 1600 | | | | | | |
| GDY45 | Gidy | 1600 | | | | | | |
| ATY45 | Artenay | 1600 | | | | | | |
| NOG45 | Nogent-sur-Vernisson | 1400 | | | | | | |
| SUY45 | Sully-sur-Loire 2 | 1400 | | | | | | |
| OR245 (SOU45) | Saint-Cyr-en-Val Orleans Saussaye | 1350 | | | | | | |
| GDV45 | Gondreville | 1350 | | | | | | |
| OCZ45 (SOU45) | Olivet Orleans Clatz | 1350 | | | | | | |
| LAD45 | Ladon | 1350 | | | | | | |
| PTY45 | Patay | 1350 | | | | | | |
| MAB45 | Saint-Martin-d'Abbat | 1300 | | | | | | |
| COR45 | Corbeilles | 1300 | | | | | | |
| LV745 | Olivet | 1250 | | | | | | |
| GER45 | Saint-Germain-des-Prés | 1250 | | | | | | |
| CVY45 | Chevilly | 1250 | | | | | | |
| VTY45 | Vitry-aux-Loges | 1250 | | | | | | |
| ORM45 | Saran Ormes | 1200 | | | | | | |
| BSB45 | Boigny-sur-Bionne | 1150 | | | | | | |
| BSL45 | Bonny-sur-Loire | 1150 | | | | | | |
| BAG45 | Bazoches-les-Gallerandes | 1050 | | | | | | |
| AUL45 | Aulnay-la-Rivière | 1050 | | | | | | |
| BOI45 | Boiscommun | 1050 | | | | | | |
| GON45 | Saint-Gondon | 1000 | | | | | | |
| TMR45 | Thimory | 1000 | | | | | | |
| BOY45 | Boynes | 1000 | | | | | | |
| BEU45 | Beaulieu-sur-Loire | 1000 | | | | | | |
| HUI45 | Huisseau-sur-Mauves | 1000 | | | | | | |
| BL345 | Baule | 1000 | | | | | | |
| 5MG45 | La Chapelle-Saint-Mesmin Gabelliere | 950 | | | | | | |
| VEV45 | Vienne-en-Val | 950 | | | | | | |
| IEC45 (ING45) | Ormes Ingre Corroy | 950 | | | | | | |
| AM645 (MON45) | Amilly | 950 | | | | | | |
| ASX45 | Ascoux | 950 | | | | | | |
| YEC45 | Yèvre-la-Ville Le Chatel | 850 | | | | | | |
| DCH45 | Douchy | 850 | | | | | | |
| 5MP45 | La Chapelle-Saint-Mesmin Pervenches | 850 | | | | | | |
| MPB45 | La Chapelle-Saint-Mesmin Petit Bois | 850 | | | | | | |
| OLY45 | Olivet Le Larry | 800 | | | | | | |
| OUZ45 | Ouzouer-sur-Trézée | 750 | | | | | | |
| OMH45 (DOU45) | Saint-Jean-de-la-Ruelle Orleans Mouchetiere | 750 | | | | | | |
| PPD45 (MST45) | Saint-Jean-de-Braye Papin | 750 | | | | | | |
| MCR45 | Montcresson | 750 | | | | | | |
| ESC45 | Escrennes | 750 | | | | | | |
| TRI45 | Triguères | 700 | | | | | | |
| MBY45 | Montbouy | 700 | | | | | | |
| C5Y45 (MO) | Cepoy | 650 | | | | | | |
| JAC45 | Courtenay Jacqueminiere | 650 | | | | | | |
| PRV45 | Saint-Péravy-la-Colombe | 650 | | | | | | |
| CDY45 | Coudroy | 650 | | | | | | |
| 5MA45 | La Chapelle-Saint-Mesmin Auvernais | 600 | | | | | | |
| LYE45 | Saint-Lyé-la-Forêt | 600 | | | | | | |
| BES45 | Briarres-sur-Essonne | 600 | | | | | | |
| EDS45 (SAR45) | Saran Thomas Edison | 600 | | | | | | |
| OBC45 (DOU45) | Ingré Orleans Bas Champs | 600 | | | | | | |
| BLB45 | Boulay-les-Barres | 550 | | | | | | |
| RMT45 (SAR45) | Saran Ormeteau | 550 | | | | | | |
| ASC45 | Aschères-le-Marché | 550 | | | | | | |
| GIR45 | Girolles | 500 | | | | | | |
| MI645 (MO) | Amilly Martin | 500 | | | | | | |
| MGX45 | Amilly Montargis Couleuvreux | 500 | | | | | | |
| AUX45 | Auxy | 500 | | | | | | |
| VGL45 | Viglain | 450 | | | | | | |
| SCE45 | Sceaux-du-Gâtinais | 450 | | | | | | |
| HRD45 (MNG45) | Meung-sur-Loire Herbaudiere | 450 | | | | | | |
| BAT45 | Batilly-en-Puisaye | 400 | | | | | | |
| SGY45 | Sougy | 400 | | | | | | |
| 5MM45 | La Chapelle-Saint-Mesmin Montaut | 400 | | | | | | |
| OCS45 | Saint-Jean-de-Braye Orleans Chatelliers | 350 | | | | | | |
| MTR45 | Montereau | 350 | | | | | | |
| RDN45 | Ardon | 350 | | | | | | |
| TU945 (MO) | Amilly Tuileries | 350 | | | | | | |
| VMU45 | Villemurlin | 300 | | | | | | |
| AAY45 | Gien Arrabloy | 250 | | | | | | |
| DRC45 (DOU45) | Ingré Doumer Lecompte | 200 | | | | | | |
| BRT45 | Breteau | 150 | | | | | | |
Taille moyenne des NRA : 2 638 lignes
Taille du NRA médian : 1 200 lignes
306 000 lignes au total