What does a royal mail tracking number start with

Royal Mail tracking numbers typically start with the following prefixes:

• RM (Royal Mail) - This is the most common prefix for Royal Mail tracking numbers.
• LZ (Large Letter) - This prefix is used for larger items, such as parcels and packets.
• LZP (Large Letter Packet) - This prefix is used for larger packets and parcels.
• LZS (Large Letter Signed) - This prefix is used for signed-for large letters and packets.
• LZG (Large Letter Guaranteed) - This prefix is used for guaranteed delivery large letters and packets.

Here are some examples of Royal Mail tracking numbers with their corresponding prefixes:

• RM123456789GB (standard parcel tracking number)
• LZ123456789GB (large letter tracking number)
• LZP123456789GB (large packet tracking number)
• LZS123456789GB (signed-for large letter tracking number)
• LZG123456789GB (guaranteed delivery large letter tracking number)

Note that the prefix may vary depending on the type of service used and the country of origin.