AY postal codes, MARNE department
Postal codes of AY, MARNE department, France
AY, MARNE department has 37 postal codes, between 51120 and 51800. The table above gives the postal code for each street or area of AY.
The correct postal code for AY is needed for online orders, parcels and letters, administrative forms and invoices. Small communes often have a single code; in larger cities it can vary by street or arrondissement.
Other communes in the MARNE department
- ABLANCOURT
- AIGNY
- ALLEMANT
- ALLIANCELLES
- AMBONNAY
- AMBRIERES
- ANGLURE
- ANGLUZELLES ET COURCELLES
- ANTHENAY
- AOUGNY
- ARCIS LE PONSART
- ARGERS
- ARRIGNY
- ARZILLIERES NEUVILLE
- ATHIS
- AUBERIVE
- AUBILLY
- AULNAY AUX PLANCHES
- AULNAY L AITRE
- AULNAY SUR MARNE
- AULNIZEUX
- AUMENANCOURT
- AUVE
- AVENAY VAL D OR
Frequently asked questions about the AY postal code
- What is the postal code for AY?
- AY has 37 postal codes, between 51120 and 51800. The exact code depends on the street - look it up in the table above or use the search form.
- What if my street is not listed?
- Streets without a code of their own use the commune's general code (usually the first in the list). You can also enter a postal code in the “Postal code” box to see which area it covers.
- How many digits does a French postal code have?
- Five. The first two digits are the department number; the last three identify the commune or delivery office.
Data last updated: 2026-10.
About French postal codes
A French postal code has 5 digits: the first two are the department number (75 for Paris, 13 for Bouches-du-Rhône...), the last three identify the commune or delivery office. The current format has been in use since 1972; large organisations also use CEDEX codes.
On lecodepostal.fr you can search by department, commune and street, or enter a postal code to find the matching commune. The data is updated regularly.