| Pouilly Sur Serre (02270) | - | - |
| Premont (02110) | - | - |
| Premontre (02560) | - | - |
| Premontre (02320) | - | - |
| Presles Et Boves (02370) | - | - |
| Presles Et Thierny (02860) | - | - |
| Priez (02470) | - | - |
| Prisces (02140) | - | - |
| Proisy (02120) | - | - |
| Proix (02120) | - | - |
| Prouvais (02190) | - | - |
| Proviseux Et Plesnoy (02190) | - | - |
| Puiseux En Retz (02600) | - | - |
| Puisieux Et Clanlieu (02120) | - | - |
| Quessy (02700) | - | - |
| Quierzy (02300) | - | - |
| Quincy Basse (02380) | - | - |
| Quincy Sous Le Mont (02220) | - | - |
| Raillimont (02360) | - | - |
| Ramicourt (02110) | - | - |
| Regny (02240) | - | - |
| Remaucourt (02100) | - | - |
| Remies (02270) | - | - |
| Remigny (02440) | - | - |
| Renansart (02240) | - | - |
| Renneval (02340) | - | - |
| Resigny (02360) | - | - |
| Ressons Le Long (02290) | - | - |
| Retheuil (02600) | - | - |
| Reuilly Sauvigny (02850) | - | - |
| Revillon (02160) | - | - |
| Ribeauville (02110) | - | - |
| Ribemont (02240) | - | - |
| Ribemont (02240) | - | - |
| Rocourt St Martin (02210) | - | - |
| Rocquigny (02260) | - | - |
| Rogecourt (02800) | - | - |
| Rogny (02140) | - | - |
| Romeny Sur Marne (02310) | - | - |
| Romery (02120) | - | - |
| Roncheres (02130) | - | - |
| Roucy (02160) | - | - |
| Rougeries (02140) | - | - |
| Roupy (02770) | - | - |
| Roupy (02590) | - | - |
| Rouvroy (02100) | - | - |
| Rouvroy Sur Serre (02360) | - | - |
| Royaucourt Et Chailvet (02000) | - | - |
| Rozet St Albin (02210) | - | - |
| Rozieres Sur Crise (02200) | - | - |
| Rozoy Bellevalle (02540) | - | - |
| Rozoy Sur Serre (02360) | - | - |
| Rozoy Sur Serre (02360) | - | - |
| Saconin Et Breuil (02200) | - | - |
| Sains Richaumont (02530) | - | - |
| Sains Richaumont (02120) | - | - |
| Samoussy (02840) | - | - |
| Sancy Les Cheminots (02880) | - | - |
| Saponay (02130) | - | - |
| Saulchery (02310) | - | - |
| Savy (02590) | - | - |
| Seboncourt (02110) | - | - |
| Selens (02300) | - | - |
| Septmonts (02200) | - | - |
| Septvaux (02410) | - | - |
| Sequehart (02420) | - | - |
| Serain (02110) | - | - |
| Seraucourt Le Grand (02790) | - | - |
| Seraucourt Le Grand (02790) | - | - |
| Serches (02220) | - | - |
| Sergy (02130) | - | - |
| Seringes Et Nesles (02130) | - | - |
| Sermoise (02220) | - | - |
| Servais (02700) | - | - |
| Serval (02160) | - | - |
| Sery Les Mezieres (02240) | - | - |
| Silly La Poterie (02460) | - | - |
| Sinceny (02300) | - | - |
| Sissonne (02150) | - | - |
| Sissonne (02150) | - | - |
| Sissonne Cedex (02151) | - | - |
| Sissonne Cedex (02152) | - | - |
| Sissonne Cedex (02153) | - | - |
| Sissonne Cedex (02154) | - | - |
| Sissonne Cedex (02155) | - | - |
| Sissonne Cedex (02156) | - | - |
| Sissonne Cedex (02157) | - | - |
| Sissonne Cedex (02158) | - | - |
| Sissonne Cedex (02159) | - | - |
| Sissy (02240) | - | - |
| Soissons (02200) | - | - |
| Soissons (02200) | - | - |
| Soissons Cedex (02205) | - | - |
| Soissons Cedex (02206) | - | - |
| Soissons Cedex (02207) | - | - |
| Soissons Cedex (02208) | - | - |
| Soissons Cedex (02209) | - | - |
| Soissons Cedex (02326) | - | - |
| Soissons Cedex (02327) | - | - |
| Soissons Cedex (02328) | - | - |