Top 30 postal codes with the most addresses
This ranking uses address points from the Base Adresse Nationale. The top entries are mostly large cities that have not been split into several postal codes.
The first postal code in the ranking is 51100 (Reims), with 34 412 listed addresses.
| # | Postal code | BAN addresses | Associated municipalities |
|---|---|---|---|
| 1 | 51100 | 34 412 | Reims |
| 2 | 29200 | 32 803 | Brest |
| 3 | 59200 | 30 494 | Tourcoing |
| 4 | 33000 | 29 290 | Bordeaux |
| 5 | 21000 | 28 986 | Dijon |
| 6 | 72000 | 28 606 | Le Mans |
| 7 | 79000 | 28 501 | Niort, Bessines +1 |
| 8 | 97430 | 27 084 | Le Tampon |
| 9 | 59100 | 26 384 | Roubaix |
| 10 | 29000 | 25 854 | Quimper |
| 11 | 62100 | 25 733 | Calais |
| 12 | 66000 | 25 553 | Perpignan |
| 13 | 82000 | 25 444 | Montauban |
| 14 | 02100 | 25 317 | St Quentin, Harly +9 |
| 15 | 34500 | 24 315 | Beziers, Villeneuve les Beziers |
| 16 | 17000 | 23 695 | La Rochelle |
| 17 | 18000 | 23 241 | Bourges |
| 18 | 98800 | 22 854 | Noumea |
| 19 | 85000 | 22 773 | La Roche sur Yon, Mouilleron le Captif |
| 20 | 44600 | 22 649 | St Nazaire |
| 21 | 44300 | 22 276 | Nantes |
| 22 | 80000 | 22 265 | Amiens |
| 23 | 97410 | 22 189 | St Pierre |
| 24 | 86000 | 21 952 | Poitiers |
| 25 | 30000 | 21 603 | Nimes |
| 26 | 97200 | 21 040 | Fort de France |
| 27 | 97440 | 20 949 | St Andre |
| 28 | 81000 | 20 899 | Albi |
| 29 | 81100 | 20 879 | Castres, Burlats +1 |
| 30 | 33600 | 20 777 | Pessac |