Plastic SIM ICCID validator

Client

Plastic SIM ICCID validator applies to physical cards where the serial sits under a Code 128 barcode. Paste digits from the card body—validate Luhn before POS or logistics systems ingest the row.

Printed card workflow

Copy from label or scan barcode, paste here, confirm Luhn, then enter portal or WMS. Re-scan if suggested check digit differs from print.

Privacy: digits are evaluated only inside your browser. There is no carrier, GSMA, or SM-DP+ query—format math only. Treat SIM identifiers like any sensitive operational paste.
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The ITU‑T E.118 layout follows ISO/IEC 7812 for card identifiers: a Major Industry Identifier (telecom ICCIDs usually start with 89), an issuer/country/account block, then a trailing Luhn mod‑10 check digit using the same doubling rule as many payment PAN validators. Printed cards commonly show 18–22 digits; issuers pin one length profile per range.

Result

Passes Luhn mod 10 on the full 19-digit string.

  • MII (first 2): 89
  • Issuer / account core (between MII and check): 3530012345678901
  • Check digit (last): 1

Common use cases

  • Retail counters validating starter kits before customer handoff.
  • Warehouse re-scan audits comparing plastic label to CSV manifest.
  • Quality control on returned or RMA cards before restock.

Common mistakes to avoid

  • Reading ICCID from the punch-out tray only

    Serial is on the card chip body—tray text may differ.

  • Assuming triple-cut size changes Luhn rules

    Form factor does not change checksum algorithm.

  • Using plastic validator output as ownership proof

    Checksum pass does not prove assignment to your account.

FAQ

Does plastic SIM use the same ICCID format?

Yes—E.118-style decimal serial with Luhn check digit.

Can I paste from barcode scanners?

Yes—scanner output is usually the decimal serial.

What about embedded SIM in plastic?

If profile is downloaded, use eSIM profile serial check instead.

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Phrases people search for that match this tool. See the full long-tail keyword index.

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