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There are 6 328 postal codes scattered across 35 007 communes, according to the latest La Poste publication (May 2026).

4 207 postal codes span multiple communes (66,5 %). The remaining 2 121 postal codes cover just one commune. Most postal codes stay within a single department, except for 16 postal codes that span two.

Conversely, 394 municipalities have multiple postal codes, or 1,1 %. These are mostly large communes like Paris or Lyon, but also some smaller ones that have been administratively split or merged.

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There's one postal code that isn't actually in France. Can you guess it?

Browse the lists by département 101

Lists by overseas collectivity 7

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Frequently asked questions

How many postal codes are there in France?

France has 6,328 postal codes (for 35,007 communes), of which 4,207 are shared by multiple communes.

Can multiple communes share the same postal code?

Yes — it's actually the most common case: 4,207 postal codes are shared by several communes (66.5%).

Can a postal code span multiple departments?

Yes — 16 French postal codes cover municipalities located in two different départements.

How many digits does a French postal code have?

Five, from 01000 (Bourg-en-Bresse) to 98890 (Païta). The first two digits generally correspond to the département number. Learn more

Which postal code covers the largest area?

Postal code 97370 (Maripasoula, Guyane) covers approximately 18,648 km² — larger than some European countries. In metropolitan France, the largest is 51800 (Sainte-Menehould) at 615 km². See the top 20

Which municipality has the most postal codes?

Paris has 21 postal codes, Marseille 16 and Lyon 9. But it is their municipal arrondissements that count as municipalities in La Poste's database. After those, Toulouse, Cherbourg-en-Cotentin and Saint-Paul (La Réunion) each have 6 postal codes. See the full list

Which postal code covers the most municipalities?

Postal code 51300 (Vitry-le-François) covers 46 municipalities, followed by 51800 (Sainte-Menehould) with 44. See the top 20