Hardware & Components / Knowledge library

ICCID — Integrated Circuit Card Identifier

Identifies a SIM or subscription profile.

Acronym study batch 5 · reviewed 2026-10-20

Why learn ICCID — Integrated Circuit Card Identifier?

Identifies a SIM or subscription profile.

Where it came from

ICCID differs from the subscriber's IMSI and the device's IMEI.

• Memory aid (a learning cue, not the expansion): The Circuit Card has an ID.

Build your understanding

Work through these exercises in order. Try the task before opening a reference.

1. Without looking, expand ICCID: Integrated Circuit Card Identifier.
2. Recall this memory aid: The Circuit Card has an ID.
3. Explain the practical use: Identifies a SIM or subscription profile.
4. Explain this distinction: ICCID differs from the subscriber's IMSI and the device's IMEI.
5. Identify ICCID in a device specification, architecture diagram, or system inventory.

Documentation and sources

• GSMA technology resources (www.gsma.com)

Catalog source: technology-maxxing. This page reproduces the existing catalog’s learning material and source links.