Royal Mail barcoded stamps: All you need to know.
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Royal Mail have added barcodes to all of their regular stamps. Regular stamps without a barcode will no longer be valid after 31 July 2023.
This follows the introduction of a 6 month grace period from the initial 31 January deadline. You can either use up your non-barcoded stamps before this new deadline or swap them for the new barcoded ones.
Follow the link below for more information on how to dispose / swap out old stamps.
