| FAU42 | Saint-Étienne Fauriel | 50000 | | | | | |
| JMA42 | Roanne Jean Mace | 38000 | | | | | |
| TRA42 | Saint-Étienne Terrasse | 21060 | | | | | |
| BEL42 | Saint-Étienne Bellevue | 21000 | | | | | |
| CHA42 | Le Chambon-Feugerolles | 21000 | | | | | |
| SCH42 | Saint-Chamond | 20000 | | | | | |
| MTB42 | Montbrison | 13000 | | | | | |
| RIV42 | Rive-de-Gier | 12000 | | | | | |
| ESS42 | Andrézieux-Bouthéon Essarts | 12000 | | | | | |
| FEU42 | Feurs | 6473 | | | | | |
| LTA42 | La Talaudière | 6405 | | | | | |
| MET42 | Saint-Étienne Metare | 6339 | | | | | |
| LAG42 | La Grand-Croix | 6179 | | | | | |
| MDS42 | Montrond-les-Bains | 6000 | | | | | |
| ROC42 | Roche-la-Molière | 5029 | | | | | |
| VEA42 | Veauche | 4243 | | | | | |
| CRL42 | Charlieu | 3855 | | | | | |
| SGA42 | Saint-Galmier | 3621 | | | | | |
| STR42 | Saint-Just-Saint-Rambert | 3091 | | | | | |
| CHS42 | Chazelles-sur-Lyon | 2878 | | | | | |
| VLS42 | Villars | 2816 | | | | | |
| POU42 | Pouilly-sous-Charlieu | 2581 | | | | | |
| TER42 | Saint-Étienne Terrenoire | 2428 | | | | | |
| SUR42 | Sury-le-Comtal | 2283 | | | | | |
| BOE42 | Boën | 2259 | | | | | |
| SST42 | Saint-Genest-Lerpt | 2208 | | | | | |
| BON42 | Saint-Jean-Bonnefonds | 2147 | | | | | |
| RMP42 | Saint-Romain-le-Puy | 2129 | | | | | |
| SCR42 | Saint-Christo-en-Jarez | 2122 | | | | | |
| STB42 | Saint-Bonnet-le-Château | 2090 | | | | | |
| MAC42 | Maclas | 2037 | | | | | |
| PAN42 | Panissières | 2002 | | | | | |
| LAF42 | La Fouillouse | 1965 | | | | | |
| REN42 | Renaison | 1950 | | | | | |
| BAL42 | Balbigny | 1840 | | | | | |
| STM42 | Saint-Marcellin-en-Forez | 1823 | | | | | |
| STH42 | Saint-Héand | 1817 | | | | | |
| PEL42 | Pélussin | 1815 | | | | | |
| MOL42 | Saint-Étienne Molina | 1709 | | | | | |
| BOU42 | Bourg-Argental | 1686 | | | | | |
| VTS42 | Villemontais | 1630 | | | | | |
| SGM42 | Saint-Genest-Malifaux | 1626 | | | | | |
| MVU42 | Montverdun | 1605 | | | | | |
| NON42 | Pouilly-les-Nonains | 1603 | | | | | |
| CHV42 | Chavanay | 1547 | | | | | |
| CDU42 | Chalain-d'Uzore | 1384 | | | | | |
| GLV42 | Saint-Germain-Laval | 1369 | | | | | |
| LAP42 | La Pacaudière | 1353 | | | | | |
| MED42 | Saint-Médard-en-Forez Aveizieux | 1305 | | | | | |
| PEN42 | Saint-Just-la-Pendue | 1252 | | | | | |
| APC42 | Saint-André-d'Apchon | 1251 | | | | | |
| JEE42 | Saint-Jean-Soleymieux | 1235 | | | | | |
| SYM42 | Saint-Symphorien-de-Lay | 1208 | | | | | |
| PRX42 | Perreux | 1140 | | | | | |
| VR342 | Villerest | 1139 | | | | | |
| SSZ42 | Sail-sous-Couzan | 1070 | | | | | |
| NOI42 | Noirétable | 1058 | | | | | |
| MCG42 | Saint-Maurice-en-Gourgois | 1053 | | | | | |
| CUI42 | Cuinzier | 1052 | | | | | |
| BLM42 | Belmont-de-la-Loire | 1017 | | | | | |
| JUH42 | Saint-Just-en-Chevalet | 1000 | | | | | |
| MER42 | Apinac Merle | 982 | | | | | |
| BUS42 | Bussières | 976 | | | | | |
| SPB42 | Saint-Pierre-de-Boeuf | 963 | | | | | |
| LES42 | Saint-Germain-Lespinasse | 962 | | | | | |
| ROZ42 | Rozier-en-Donzy | 913 | | | | | |
| AM342 | Ambierle | 900 | | | | | |
| USF42 | Usson-en-Forez | 879 | | | | | |
| CRE42 | Cremeaux | 822 | | | | | |
| CHI42 | Chirassimont | 778 | | | | | |
| VOU42 | Vougy | 767 | | | | | |
| VEX42 | Saint-Cyr-de-Favières Les Verbeaux | 750 | | | | | |
| PCS42 | Poncins | 749 | | | | | |
| CLC42 | Chalain-le-Comtal | 740 | | | | | |
| NLS42 | Neulise | 736 | | | | | |
| VIG42 | Saint-Cyr-les-Vignes | 732 | | | | | |
| SJM42 | Saint-Julien-Molin-Molette | 728 | | | | | |
| MRH42 | Marlhes | 711 | | | | | |
| REG42 | Régny | 710 | | | | | |
| PC742 | Saint-Paul-en-Cornillon | 705 | | | | | |
| BHY42 | Saint-Barthélemy-Lestra | 688 | | | | | |
| DOI42 | Doizieux | 680 | | | | | |
| PGX42 | Périgneux | 673 | | | | | |
| BAR42 | Bard Le Sauzet | 660 | | | | | |
| VIO42 | Violay | 652 | | | | | |
| BS342 | Boisset-Saint-Priest | 645 | | | | | |
| ARH42 | Arthun La Terriere | 618 | | | | | |
| LEB42 | Le Bessat | 592 | | | | | |
| JZX42 | Jonzieux | 585 | | | | | |
| CZE42 | Chalmazel | 575 | | | | | |
| SSA42 | Saint-Sauveur-en-Rue | 563 | | | | | |
| PG742 | Saint-Polgues | 557 | | | | | |
| CUU42 | Coutouvre | 546 | | | | | |
| ETX42 | Saint-Martin-d'Estréaux | 545 | | | | | |
| NOA42 | Noailly | 529 | | | | | |
| S7C42 | Saint-Chamond | 500 | | | | | |
| AXO42 | Andrézieux-Bouthéon | 500 | | | | | |
| C9P42 | Saint-Cyprien | 500 | | | | | |
| MNN42 | Montagny | 488 | | | | | |
| SRT42 | Saint-Priest-la-Vêtre | 464 | | | | | |
| JOD42 | Saint-Jodard | 449 | | | | | |
| DID42 | Saint-Didier-sur-Rochefort | 442 | | | | | |
| PS042 (JMA42) | Roanne Parc des Sports | 441 | | | | | |
| MGS42 | Maringes | 433 | | | | | |
| PLA42 | Planfoy | 429 | | | | | |
| CS542 | Saint-Étienne Condamines | 426 | | | | | |
| SMS42 | Saint-Martin-la-Sauveté | 404 | | | | | |
| SRU42 | Saint-Priest-la-Prugne | 384 | | | | | |
| G2T42 (ESS42) | Andrézieux-Bouthéon Goutterons | 378 | | | | | |
| BER42 | Saint-Étienne Beraudiere | 359 | | | | | |
| CEX42 | Craintilleux | 348 | | | | | |
| SBC42 | Saint-Bonnet-le-Courreau | 332 | | | | | |
| VNG42 | La Valla-en-Gier | 322 | | | | | |
| L3G42 | La Gresle nra zo | 300 | | | | | |
| CRO42 | Sainte-Croix-en-Jarez | 290 | | | | | |
| GNA42 | Genilac La Cula | 280 | | | | | |
| CM842 | Chambles | 235 | | | | | |
| LLL42 | Les Salles | 225 | | | | | |
| SV742 | Sauvain | 220 | | | | | |
| VSN42 | La Versanne | 202 | | | | | |
| GGC42 | Saint-Georges-en-Couzan | 187 | | | | | |
| PFZ42 | Pommiers | 170 | | | | | |
| GMS42 | Gumières | 168 | | | | | |
| HOP42 | Saint-Cyr-de-Favières Hopital sur Rhins | 167 | | | | | |
| CFY42 | La Chapelle-en-Lafaye La chapelle en lafaye cne | 150 | | | | | |
| CDS42 | Ambierle La Croix du Sud | 150 | | | | | |
| CF742 | Châtelneuf | 150 | | | | | |
| SBQ42 | Saint-Bonnet-des-Quarts | 150 | | | | | |
| RZR42 | Rozier-Côtes-d'Aurec | 150 | | | | | |
| XPY42 | Champoly Champoly nra zo | 150 | | | | | |
| CHR42 | Chausseterre | 150 | | | | | |
| MTN42 | Saint-Germain-la-Montagne | 100 | | | | | |
| LHM42 | La Chamba | 100 | | | | | |
| CZ342 | Cezay | 100 | | | | | |
| NNN42 | Les Noës | 100 | | | | | |
| AEX42 | Ailleux | 61 | | | | | |
| SEX42 | Cellieu Salcigneux | 61 | | | | | |
| YYL42 | La Valla-sur-Rochefort | 61 | | | | | |
| C7L42 | Cleppé nra hd gmux | 0 | | | | | |
| B5T42 | Saint-Bonnet-les-Oules nra zo | 0 | | | | | |
| F3S42 | Sainte-Foy-Saint-Sulpice nra hd gmux | 0 | | | | | |
| V4R42 | Saint-Victor-sur-Rhins nra hd | 0 | | | | | |
| P1O42 | Pouilly-lès-Feurs nra zo | 0 | | | | | |
Taille moyenne des NRA : 2 567 lignes
Taille du NRA médian : 750 lignes
367 064 lignes au total