Enneo
Enneo documentation

Documentation

Address Format Validation

Addresses in enneo must have the following format to ensure correct delivery of outbound letters by post

Overview

This guide explains the address formats supported by the system. For proper validation, addresses must contain a valid postcode followed by a town name on the same line.

General Address Structure

  • Rule 1: Must have between 3 and 5 lines
  • Rule 2: The last or second last line must contain a valid postcode followed by a town

Typical Structure of a Full Address

3-line format (Minimum)

[Name]
[Street House Number]
[Postcode] [Town]

Example:

Max Mustermann
Hauptstraße 123
10115 Berlin

4-line format

[Recipient Name/Company]
[Street House Number]
[Postcode] [Town]
[Country]

Example:

Max Mustermann
Hauptstraße 123
10115 Berlin
Germany
ABC GmbH
For the attention of Max Mustermann
Hauptstraße 123
10115 Berlin

5-line format (Maximum)

[Recipient Name]
[Company/Department]
[Street House Number]
[Postcode] [Town]
[Country]

Example:

Max Mustermann
Muster GmbH
Hauptstraße 123
10115 Berlin
Germany

Postcode Line Requirements

The postcode line must follow this format:

[Postcode] [Town Name]

The postcode must be followed by at least one space, and then the town name.

Supported Postcode Formats by Country/Region

Europe

Netherlands

  • Format: 4 digits + 2 letters (with or without space)
  • Examples:
    • 1234 AB Amsterdam
    • 1234AB Amsterdam

United Kingdom

  • Format: UK postcode (various formats)
  • Examples:
    • SW1A 1AA London
    • SW1A1AA London
    • M1 1AA Manchester
    • B33 8TH Birmingham
    • CR2 6XH Croydon
    • DN55 1PT Doncaster

Germany, France, Spain, Italy, Finland, Luxembourg

  • Format: 5 digits
  • Examples:
    • 10115 Berlin
    • 75001 Paris
    • 28001 Madrid
    • 00100 Roma
    • 00100 Helsinki

Belgium, Switzerland, Austria, Denmark, Norway

  • Format: 4 digits
  • Examples:
    • 1000 Brussels
    • 8000 Zurich
    • 1010 Vienna
    • 1050 Copenhagen
    • 0150 Oslo

Portugal

  • Format: 4 digits - 3 digits
  • Examples:
    • 1000-001 Lisbon
    • 4000-001 Porto

Poland

  • Format: 2 digits - 3 digits
  • Examples:
    • 00-001 Warsaw
    • 30-001 Krakow

Sweden, Czech Republic

  • Format: 3 digits [space] 2 digits
  • Examples:
    • 123 45 Stockholm
    • 110 00 Prague

Ireland

  • Format: Letter + 2 digits [space] 4 alphanumeric characters (Eircode)
  • Examples:
    • D02 AF30 Dublin
    • A65 F4E2 Galway

Americas

United States

  • Format: 5 digits or 5 digits - 4 digits (ZIP+4)
  • Examples:
    • 10001 New York
    • 90210 Beverly Hills
    • 10001-0001 New York

Canada

  • Format: 5 digits (like USA)
  • Examples:
    • 10001 Toronto
    • 90001 Vancouver

Brazil

  • Format: 5 digits - 3 digits (CEP)
  • Examples:
    • 01310-100 São Paulo
    • 20040-020 Rio de Janeiro

Asia

Japan

  • Format: 3 digits - 4 digits
  • Examples:
    • 100-0001 Tokyo
    • 530-0001 Osaka

India

  • Format: 6 digits (PIN code)
  • Examples:
    • 110001 Delhi
    • 400001 Mumbai

China

  • Format: 6 digits
  • Examples:
    • 100000 Beijing
    • 200000 Shanghai

Oceania

Australia, New Zealand

  • Format: 4 digits
  • Examples:
    • 2000 Sydney
    • 3000 Melbourne
    • 1010 Auckland

Africa

South Africa

  • Format: 4 digits
  • Examples:
    • 0001 Pretoria
    • 8001 Cape Town

Russia

  • Format: 6 digits
  • Examples:
    • 101000 Moscow
    • 190000 St. Petersburg

Important Notes

General Requirements

  1. In the event of a comma existing in an address line, such as "Max Mustermann, Marina Mustermann" or "Max Mustermann, ABC Street 1", replace a comma with a new line - therefore please use commas accordingly.
  2. Empty lines are removed.

Postcode-Specific Requirements

  1. Spaces: A space must follow the postcode before the town name.
  2. Town Name Requirement: A town name (or any text without spaces) must follow the postcode.
  3. Uppercase/Lowercase: Formats with letters (UK, Netherlands, Ireland) expect upper-case letters.
  4. Complete Lines: The entire postcode and town must stand on the same line.

Invalid Examples

Invalid Postcode Lines

❌ 12345 - Town name missing
❌ 12345 - Only spaces following postcode
❌ Berlin 10115 - Town before postcode
❌ 1234ab Amsterdam - Lower-case letters (Netherlands)
❌ sw1a 1aa London - Lower-case letters (UK)

Invalid Complete Addresses

❌ Too few lines (only 2 lines):

Hauptstraße 123
10115 Berlin

❌ Too many lines (6 lines):

Mr.
Max Mustermann
Muster GmbH
IT Department
Hauptstraße 123
10115 Berlin

❌ Empty lines within the address:

Max Mustermann

Hauptstraße 123
10115 Berlin
Germany

❌ No postcode line:

Max Mustermann
Hauptstraße 123
Germany

Valid Examples

Valid Postcode Lines

✅ 10115 Berlin
✅ SW1A 1AA London
✅ 1234 AB Amsterdam
✅ 75001 Paris
✅ 10001-0001 New York
✅ 100-0001 Tokyo
✅ D02 AF30 Dublin