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Suburbs and Postcodes

Learn about Suburbs and Postcodes in Marlin GTX trusted automotive software, by Megabus.

Updated 30 October 2026

**Marlin GTX** enables users to add, edit or delete suburb and postcode entries wherever customer information can be edited.

Suburbs and postcodes can also be managed using the Postcodes Maintenance module.

Customer Maintenance

Suburbs and postcodes can be added and edited wherever customer information can be edited (e.g. Work Orders, Invoices, Customer Maintenance).

Click the **Magnifying Glass in either the **Suburb or Postcode field.

Screenshot from the Suburbs and Postcodes help article

To add a new entry:

  • Press the Insert key on the keyboard
  • The Create Postcode pop-up will open:
    • Enter the required details
    • Click Save
Screenshot from the Suburbs and Postcodes help article

You can also edit existing suburb information by selecting it and pressing Ctrl+E on the keyboard.

Suburbs and Postcodes can be deleted by selecting them and pressing the Delete button.

Note — Regardless of whether the suburb is entered via the Suburb or Postcode field, both will be created when the Save button is clicked.

Postcode Maintenance

Suburb and postcode information can also be added and edited, independent of customers, using the Postcode Maintenance module.

To access the module:

  • Select System > System Files > Places > Postcodes from the menu bar
Screenshot from the Suburbs and Postcodes help article

The Postcodes Maintenance module will open, showing a list of active suburbs and postcodes within your GTX system.

To edit existing postcode information:

  • Select it in the list
  • Click on the **Edit** button at the top of the module window

To add a new postcode/suburb:

  • Click on the **Add** button at the top of the module window
  • The Add Postcode window will open.
    • Enter the required information
    • Click **Save**
Screenshot from the Suburbs and Postcodes help article
Warning — You cannot edit a Suburb name or Postcode: * To change either value, the suburb must be deleted and re-added.

Deleting Postcodes

Postcodes and suburbs cannot be deleted using the Postcode Maintenance module.

Screenshot from the Suburbs and Postcodes help article

To delete a postcode/suburb:

  • Wherever a customer can be edited:
    • Click on either the Suburb or Postcode picker
    • Highlight the suburb/postcode (arrow keys/type to search)
    • Press Delete on the keyboard
Screenshot from the Suburbs and Postcodes help article

The Delete Postcode pop-up will open:

  • Make sure you want to delete the suburb/postcode
  • To delete it, click Save