| Boue (02450) | - | - |
| Bouffignereux (02160) | - | - |
| Bouresches (02400) | - | - |
| Bourg Et Comin (02160) | - | - |
| Bourgignon Sous Montbavin (02000) | - | - |
| Bourguignon Sous Coucy (02300) | - | - |
| Braine (02220) | - | - |
| Brancourt En Laonnois (02320) | - | - |
| Brancourt Le Grand (02110) | - | - |
| Branges (02130) | - | - |
| Brasles (02400) | - | - |
| Bray St Christophe (02480) | - | - |
| Braye (02880) | - | - |
| Braye En Laonnois (02000) | - | - |
| Braye En Thierache (02140) | - | - |
| Brecy (02210) | - | - |
| Brenelle (02220) | - | - |
| Breny (02210) | - | - |
| Brie (02870) | - | - |
| Brissay Choigny (02240) | - | - |
| Brissy Hamegicourt (02240) | - | - |
| Brumetz (02810) | - | - |
| Brunehamel (02360) | - | - |
| Bruyeres Et Montbera (02860) | - | - |
| Bruyeres Et Montberault (02860) | - | - |
| Bruyeres Sur Fere (02130) | - | - |
| Bruys (02220) | - | - |
| Bucilly (02500) | - | - |
| Bucy Le Long (02880) | - | - |
| Bucy Les Cerny (02870) | - | - |
| Bucy Les Pierrepont (02350) | - | - |
| Buire (02500) | - | - |
| Buironfosse (02620) | - | - |
| Buironfosse (02620) | - | - |
| Burelles (02140) | - | - |
| Bussiares (02810) | - | - |
| Buzancy (02200) | - | - |
| Caillouel Crepigny (02300) | - | - |
| Camelin (02300) | - | - |
| Castres (02680) | - | - |
| Caulaincourt (02490) | - | - |
| Caumont (02300) | - | - |
| Celle Sous Montmirail (02540) | - | - |
| Celles Les Conde (02330) | - | - |
| Celles Sur Aisne (02370) | - | - |
| Cerizy (02240) | - | - |
| Cerny En Laonnois (02860) | - | - |
| Cerny Les Bucy (02870) | - | - |
| Cerseuil (02220) | - | - |
| Cessieres (02320) | - | - |
| Chacrise (02200) | - | - |
| Chaillevois (02000) | - | - |
| Chalandry (02270) | - | - |
| Chambry (02000) | - | - |
| Chamouille (02860) | - | - |
| Champs (02670) | - | - |
| Chaourse (02340) | - | - |
| Charly (02310) | - | - |
| Charly (02310) | - | - |
| Charmes (02800) | - | - |
| Charteves (02400) | - | - |
| Chassemy (02370) | - | - |
| Chateau Thierry (02400) | - | - |
| Chateau Thierry (02400) | - | - |
| Chatillon Les Sons (02270) | - | - |
| Chatillon Sur Oise (02240) | - | - |
| Chaudardes (02160) | - | - |
| Chaudun (02200) | - | - |
| Chauny (02300) | - | - |
| Chauny Cedex (02301) | - | - |
| Chauny Cedex (02302) | - | - |
| Chauny Cedex (02303) | - | - |
| Chauny Cedex (02304) | - | - |
| Chauny Cedex (02305) | - | - |
| Chauny Cedex (02306) | - | - |
| Chauny Cedex (02307) | - | - |
| Chauny Cedex (02308) | - | - |
| Chauny Cedex (02309) | - | - |
| Chavignon (02000) | - | - |
| Chavigny (02880) | - | - |
| Chavonne (02370) | - | - |
| Cheret (02860) | - | - |
| Chermizy Ailles (02860) | - | - |
| Chery Chartreuve (02220) | - | - |
| Chery Les Pouilly (02000) | - | - |
| Chery Les Rozoy (02360) | - | - |
| Chevennes (02250) | - | - |
| Chevregny (02000) | - | - |
| Chevresis Monceau (02270) | - | - |
| Chezy En Orxois (02810) | - | - |
| Chezy Sur Marne (02570) | - | - |
| Chezy Sur Marne (02570) | - | - |
| Chierry (02400) | - | - |
| Chigny (02120) | - | - |
| Chivres En Laonnois (02350) | - | - |
| Chivres Val (02880) | - | - |
| Chivy Les Etouvelles (02000) | - | - |
| Chouy (02210) | - | - |
| Cierges (02130) | - | - |
| Cilly (02250) | - | - |