| Montigny Les Conde (02330) | - | - |
| Montigny Sous Marle (02250) | - | - |
| Montigny Sur Crecy (02270) | - | - |
| Montlevon (02330) | - | - |
| Montloue (02340) | - | - |
| Montreuil Aux Lions (02310) | - | - |
| Morcourt (02100) | - | - |
| Morgny En Thierache (02360) | - | - |
| Morsain (02290) | - | - |
| Mortefontaine (02600) | - | - |
| Mortiers (02270) | - | - |
| Mosloy (02460) | - | - |
| Moulins (02160) | - | - |
| Moussy Verneuil (02160) | - | - |
| Moy De L'aisne (02610) | - | - |
| Moy De L'aisne (02610) | - | - |
| Muret Et Crouttes (02210) | - | - |
| Muscourt (02160) | - | - |
| Nampcelles La Cour (02140) | - | - |
| Nampteuil Sous Muret (02200) | - | - |
| Nanteuil La Fosse (02880) | - | - |
| Nanteuil Notre Dame (02210) | - | - |
| Nauroy (02420) | - | - |
| Nesles La Montagne (02400) | - | - |
| Neufchatel Sur Aisne (02190) | - | - |
| Neuflieux (02300) | - | - |
| Neuilly St Front (02470) | - | - |
| Neuilly St Front (02470) | - | - |
| Neuve Maison (02500) | - | - |
| Neuville St Amand (02100) | - | - |
| Neuville Sur Ailette (02860) | - | - |
| Neuville Sur Margival (02880) | - | - |
| Neuvillette (02390) | - | - |
| Nizy Le Comte (02150) | - | - |
| Nogent L'artaud (02310) | - | - |
| Nogentel (02400) | - | - |
| Noircourt (02340) | - | - |
| Noroy Sur Ourcq (02600) | - | - |
| Nouvion Et Catillon (02270) | - | - |
| Nouvion Le Comte (02800) | - | - |
| Nouvion Le Vineux (02860) | - | - |
| Nouvron Vingre (02290) | - | - |
| Noyales (02120) | - | - |
| Noyant Et Aconin (02200) | - | - |
| Oeuilly (02160) | - | - |
| Ognes (02300) | - | - |
| Ohis (02500) | - | - |
| Oigny En Valois (02600) | - | - |
| Oisy (02450) | - | - |
| Ollezy (02480) | - | - |
| Omissy (02100) | - | - |
| Orainville (02190) | - | - |
| Orgeval (02860) | - | - |
| Origny En Thierache (02550) | - | - |
| Origny En Thierache (02550) | - | - |
| Origny Ste Benoite (02390) | - | - |
| Origny Ste Benoite (02390) | - | - |
| Osly Courtil (02290) | - | - |
| Ostel (02370) | - | - |
| Oulches La Vallee Foulon (02160) | - | - |
| Oulchy La Ville (02210) | - | - |
| Oulchy Le Chateau (02210) | - | - |
| Oulchy Le Chateau (02210) | - | - |
| Paars (02220) | - | - |
| Paissy (02160) | - | - |
| Pancy Courtecon (02860) | - | - |
| Papleux (02260) | - | - |
| Parcy Et Tigny (02210) | - | - |
| Parfondeval (02360) | - | - |
| Parfondru (02840) | - | - |
| Pargnan (02160) | - | - |
| Pargny Filain (02000) | - | - |
| Pargny La Dhuys (02330) | - | - |
| Pargny Les Bois (02270) | - | - |
| Parpeville (02240) | - | - |
| Pasly (02200) | - | - |
| Passy En Valois (02470) | - | - |
| Passy Sur Marne (02850) | - | - |
| Pavant (02310) | - | - |
| Perles (02160) | - | - |
| Pernant (02200) | - | - |
| Petit Verly (02630) | - | - |
| Pierremande (02300) | - | - |
| Pierrepont (02350) | - | - |
| Pignicourt (02190) | - | - |
| Pinon (02320) | - | - |
| Pisseleux (02600) | - | - |
| Pithon (02480) | - | - |
| Pleine Selve (02240) | - | - |
| Ploisy (02200) | - | - |
| Plomion (02140) | - | - |
| Ployart Vaurseine (02860) | - | - |
| Pommiers (02200) | - | - |
| Pont A Bucy (02270) | - | - |
| Pont Arcy (02160) | - | - |
| Pont St Mard (02380) | - | - |
| Pontavert (02160) | - | - |
| Pontru (02490) | - | - |
| Pontruet (02740) | - | - |
| Pontruet (02490) | - | - |