Royal Mail Mailmark
There are two types of 4 State barcodes on printed postage 1st class and 2nd class with English and Bilingual Welsh / English options.
- Barcode L, which is a Long barcode for domestic sorted and unsorted customers.
- Number of Bars: 78
- Physical Size: Approximately 89 mm (at 21.2 bars per inch)
- Content: 26 Characters
- Barcode C, which is a domestic sorted Consolidator customer.
- Number of Bars: 66
- Physical Size: Approximately 76.2 mm (at 21.2 bars per inch)
- Content: 22 Characters
|Field Name||Character Length||Definition & Comments||Data Values||Barcode C
|Format||1||Identifies the format of the item.
Used in place of Information Type ID for Barcode C and L.
|0 – Null or Test
1 – Letter
2 – Large Letter
|Version ID||1||Identifies the barcode version||1 – Mailmark Barcode||1||1|
|Class||1||Identifies the class of the item||0 – Null or Test
1 – 1C for Retail
2 – 2C for Retail
3 – 3C for Retail
4 – Premium for Publishing Mail for Retail
5 – Deferred for Retail
6 – Air for Retail
7 – Surface for Retail
8 – Premium for Wholesale
9 – Standard for Wholesale
|Supply Chain ID||2 or 6||Identifies the unique chain of customers involved in the mailing.
Consolidator Supply Chain ID are 2 digits.
All other 4-State SCIDs are 6 digits.
|00 to 99
000000 to 999999
|Item ID||8||Identifies the unique item within the
|00000000 to 99999999||12345678||12345678|
|Destination Post Card plus DPS||9||Contains the Postcode of the destination with DPS||The Postal Code and Delivery Point must comply with Postcode Address File Format.||CW14LZ1F<space>||CW14LZ1F<space>
by Glenn J. Schworak
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