| AL261 | Alençon 2 | 12768 | | | | | |
| FLE61 | Flers | 12265 | | | | | |
| AL161 | Alençon 1 | 9427 | | | | | |
| ARG61 | Argentan | 9201 | | | | | |
| AIG61 | L'Aigle | 6586 | | | | | |
| FMA61 | La Ferté-Macé | 4602 | | | | | |
| MTG61 | Mortagne-au-Perche | 3526 | | | | | |
| BAG61 | Bagnoles-de-l'Orne | 2991 | | | | | |
| DOM61 | Domfront | 2849 | | | | | |
| SEE61 | Sées | 2608 | | | | | |
| GAC61 | Gacé | 2187 | | | | | |
| BLM61 | Bellême | 2133 | | | | | |
| VIM61 | Vimoutiers | 2120 | | | | | |
| TIN61 | Tinchebray | 2000 | | | | | |
| THE61 | Le Theil | 1655 | | | | | |
| MEL61 | Le Mêle-sur-Sarthe | 1628 | | | | | |
| REM61 | Rémalard | 1582 | | | | | |
| ATH61 | Athis-de-l'Orne | 1577 | | | | | |
| BRZ61 | Briouze | 1536 | | | | | |
| ECO61 | Écouché | 1534 | | | | | |
| CHA61 | Chanu | 1518 | | | | | |
| TRU61 | Trun | 1457 | | | | | |
| LON61 | Longny-au-Perche | 1366 | | | | | |
| MES61 | Messei | 1358 | | | | | |
| TOV61 | Tourouvre | 1322 | | | | | |
| CRR61 | Carrouges | 1190 | | | | | |
| LFF61 | La Ferté-Frênel | 1154 | | | | | |
| MLM61 | Moulins-la-Marche | 1104 | | | | | |
| FGE61 | Forges | 1097 | | | | | |
| GEM61 | Saint-Germain-de-la-Coudre | 1066 | | | | | |
| GAU61 | Sainte-Gauburge-Sainte-Colombe | 1057 | | | | | |
| PUT61 | Putanges-Pont-Écrepin | 1043 | | | | | |
| FET61 | La Ferrière-aux-Étangs | 1008 | | | | | |
| PAS61 | Passais | 1000 | | | | | |
| BLD61 | Beaulandais | 973 | | | | | |
| MOT61 | Mortrée | 962 | | | | | |
| BRS61 | Bretoncelles | 954 | | | | | |
| CPA61 | La Chapelle-d'Andaine | 939 | | | | | |
| SPT61 | Saint-Pierre-d'Entremont | 929 | | | | | |
| MIE61 | Mieuxcé | 920 | | | | | |
| AUB61 | Aube | 918 | | | | | |
| COH61 | Condé-sur-Huisne | 914 | | | | | |
| LCN61 | La Carneille | 901 | | | | | |
| DEN61 | Saint-Denis-sur-Sarthon | 896 | | | | | |
| BED61 | Berd'huis | 896 | | | | | |
| ASP61 | Les Aspres | 879 | | | | | |
| MRR61 | Le Merlerault | 861 | | | | | |
| CET61 | Ceton | 850 | | | | | |
| CHM61 | La Chapelle-Montligeon | 776 | | | | | |
| CEC61 | Ceaucé | 773 | | | | | |
| NOC61 | Nocé | 732 | | | | | |
| CME61 | Courtomer | 726 | | | | | |
| BEE61 | Bréel | 702 | | | | | |
| RAN61 | Rânes | 693 | | | | | |
| SAP61 | Le Sap | 687 | | | | | |
| RON61 | Rônai | 656 | | | | | |
| BAZ61 | Bazoches-sur-Hoëne | 639 | | | | | |
| CHS61 | Champsecret | 636 | | | | | |
| MLY61 | Montilly-sur-Noireau | 631 | | | | | |
| LOA61 | Lonlay-l'Abbaye | 623 | | | | | |
| CHD61 | Chandai | 620 | | | | | |
| CHB61 | Chambois | 619 | | | | | |
| LAL61 | Laleu | 608 | | | | | |
| PEV61 | Pervenchères | 602 | | | | | |
| SOL61 | Soligny-la-Trappe | 596 | | | | | |
| RAD61 | Randonnai | 592 | | | | | |
| LOR61 | Lonrai | 589 | | | | | |
| CDZ61 | Saint-Clair-de-Halouze | 587 | | | | | |
| CSS61 | Condé-sur-Sarthe | 586 | | | | | |
| RGO61 (AL261) | Alençon Arago | 586 | | | | | |
| CEY61 | Saint-Maurice-lès-Charencey | 580 | | | | | |
| BOE61 | Boëcé | 573 | | | | | |
| ESA61 | Essay | 569 | | | | | |
| FLR61 | Fleuré | 565 | | | | | |
| MAH61 | Mauves-sur-Huisne | 552 | | | | | |
| CRU61 | Crulai | 548 | | | | | |
| FLS61 | Fresnay-le-Samson | 541 | | | | | |
| MLU61 | Hauterive Menil Brout | 532 | | | | | |
| ALM61 | Almenêches | 527 | | | | | |
| NEU61 | Neuilly-sur-Eure | 523 | | | | | |
| CTE61 | Crouttes | 500 | | | | | |
| CIR61 | Ciral | 493 | | | | | |
| VXP61 | Vieux-Pont | 479 | | | | | |
| MAE61 | Saint-Mars-d'Égrenne | 479 | | | | | |
| SFM61 | Saint-Fraimbault | 457 | | | | | |
| BSL61 | Le Bourg-Saint-Léonard | 447 | | | | | |
| RAB61 | Rabodanges | 441 | | | | | |
| MUP61 | Moutiers-au-Perche | 422 | | | | | |
| SBF61 | Saint-Bômer-les-Forges | 413 | | | | | |
| BLH61 | Bellou-en-Houlme | 408 | | | | | |
| ORI61 | Origny-le-Butin | 384 | | | | | |
| GLF61 | Glos-la-Ferrière | 382 | | | | | |
| PIN61 | Le Pin-la-Garenne | 380 | | | | | |
| SYM61 | Saint-Symphorien-des-Bruyères | 379 | | | | | |
| SVG61 | La Sauvagère | 372 | | | | | |
| CER61 | Le Cercueil | 370 | | | | | |
| HAB61 | Habloville | 358 | | | | | |
| RIL61 | Saint-Hilaire-sur-Risle | 342 | | | | | |
| HIL61 | Saint-Hilaire-le-Châtel | 320 | | | | | |
| CHL61 | Chailloué | 312 | | | | | |
| BOM61 | Boissy-Maugis | 310 | | | | | |
| NPI61 | Nonant-le-Pin | 307 | | | | | |
| TRM61 | Trémont | 293 | | | | | |
| PCH61 | Pontchardon | 284 | | | | | |
| YVT61 | Les Yveteaux Fromentel | 275 | | | | | |
| MAB61 | La Madeleine-Bouvet | 267 | | | | | |
| MLT61 | Malétable | 263 | | | | | |
| SED61 | Saint-Evroult-Notre-Dame-du-Bois | 262 | | | | | |
| HEU61 | Heugon | 261 | | | | | |
| BAI61 | Bailleul | 256 | | | | | |
| EXM61 | Exmes | 255 | | | | | |
| V5R61 | Saint-Victor-de-Réno | 250 | | | | | |
| VLM61 | Villiers-sous-Mortagne | 248 | | | | | |
| LEG61 | Le Grais | 244 | | | | | |
| PIH61 | Le Pin-au-Haras | 241 | | | | | |
| JOU61 | Joué-du-Bois | 239 | | | | | |
| SEF61 | Sept-Forges | 216 | | | | | |
| FLL61 | Fontenai-les-Louvets | 200 | | | | | |
| BTR61 | Bellou-le-Trichard | 185 | | | | | |
| MCV61 | Marchainville | 172 | | | | | |
| SAB61 | Saint-Aubin-de-Bonneval | 171 | | | | | |
| LCO61 | La Coulonche | 33 | | | | | |
| SYA61 | Saint-Cyr-la-Rosière | 33 | | | | | |
| MC361 | Macé | 33 | | | | | |
| SHE61 | Saint-Hilaire-sur-Erre | 33 | | | | | |
Taille moyenne des NRA : 1 180 lignes
Taille du NRA médian : 608 lignes
147 545 lignes au total