Verified: 27 March 2026 11:10 am CET
Industry: Banking & Financial Services
Jurisdiction: France
Primary Regulator: Médiateur de La Banque Postale, AMF (Financial Markets), and ACPR (Systemic Oversight)
Important Safety Warning: Beware of fake customer service numbers on search engines. Scammers frequently target consumers with “spoofed” phone calls pretending to be the La Banque Postale fraud department. Bank staff will never ask you to read out a temporary SMS code, validate a transaction on your Certicode Plus app to “cancel a fraud”, or ask for your account password.
Level 1: Customer Support (Service Client & Centre Financier)
- How to complain: Your first legal step must be to contact your local post office advisor or use the secure messaging service via your online account. If they cannot resolve it, you must escalate it to the Service Client of your regional Centre Financier (the specific mailing address is printed at the top of your monthly bank statements). You can also call the primary hotline at 3639 (surcharged call).
- Availability: The 3639 hotline operates 24/7 for card opposition, but standard customer service is generally available Monday to Friday from 8:00 AM to 7:00 PM, and Saturdays from 8:00 AM to 12:00 PM (CET).
- Timeline: The bank is legally required to acknowledge receipt of your complaint within 10 business days.
- Source Verification: According to the official La Banque Postale - Réclamations guidelines.
Level 2: Formal Written Complaint & Mise en Demeure
- Who to contact: If your regional Centre Financier fails to resolve the issue, you must formally escalate the dispute by sending a registered letter with acknowledgment of receipt (Lettre Recommandée avec Accusé de Réception - LRAR) to the national appeals department.
- Address: Address your letter to La Banque Postale, Service Recours, 11 rue Bourseul, 75900 Paris CEDEX 15, France. Do not send this to the rue de Sèvres headquarters.
- Timeline: For standard banking issues (loans, account fees), the maximum legal response time is 2 months. However, for payment services (fraudulent card charges, unauthorized transfers), European law dictates a strict maximum response time of 15 business days (up to 35 in exceptional, justified cases).
- Source Verification: According to the official Convention de Compte Courant - La Banque Postale.
Level 3: Regulatory Authority / ADR (Médiation)
- Banking & Loan Disputes: For everyday banking issues, you must file your dispute directly with Le Médiateur de La Banque Postale. You can file online or mail it to 115 rue de Sèvres, Case Postale G 009, 75275 PARIS CEDEX 06.
- Stock Market & Investment Disputes: For issues regarding stocks, bonds, or PEA accounts, you must file your dispute with the Médiateur de l’AMF (Autorité des Marchés Financiers).
- Insurance Disputes (CNP Assurances / IARD): For insurance disputes, you must file with La Médiation de l’Assurance.
- Systemic Fraud Reporting: Do not contact the ACPR for a personal refund. Only use the ACPR/Banque de France portals to report massive systemic regulatory breaches.
- Timeline: You can open a mediation case only after you have received a negative written response from the Service Recours, or if the 2-month (or 15-day) deadline has passed with no response.
- Source Verification: According to the Médiateur du Groupe La Poste et de La Banque Postale.
Level 4: Legal Action
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Pre-Litigation: You must have proof of your written complaint (LRAR) and proof that you attempted mediation before a French judge will hear a small claims case.
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Filing the Lawsuit: For direct disputes with La Banque Postale under €10,000, private consumers can bring their case before the local Judicial Court (Tribunal Judiciaire or Chambre de proximité). Claims under €5,000 can be initiated via a simple declaration (Requête) without needing a lawyer.
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Source Verification: According to the Justice.fr - Saisir le tribunal judiciaire official government guide.
Community Action: Is the Service Recours refusing to reimburse a fraudulent credit card charge after the 15-day PSD2 deadline, or are you looking for the correct legal templates to draft a Mise en Demeure to Paris? Reply below (do not share your passwords, full banking details, or account numbers), and our community will point you to the right resources!