Integrated Circuit Card Identifier
What is ICCID?
A 19-22 digit number that uniquely identifies a SIM (physical or eSIM) globally. Think of it as a serial number for the SIM profile.
In context
Every travel.to eSIM has its own ICCID, visible in your order dashboard once provisioning completes. Carriers use it to route data, authenticate the line, and manage activation. The first 6 digits encode the country and issuer.
Related terms
Things you'll meet alongside ICCID.
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