| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 02150 | Sissonne | Hauts-de-France | Aisne | Laon | Guignicourt |
| 02160 | Bourg-et-Comin | Hauts-de-France | Aisne | Laon | Guignicourt |
| 02190 | Guignicourt | Hauts-de-France | Aisne | Laon | Guignicourt |
| 02350 | Liesse-Notre-Dame | Hauts-de-France | Aisne | Laon | Guignicourt |
| 02820 | Saint-Erme-Outre-et-Ramecourt | Hauts-de-France | Aisne | Laon | Guignicourt |