---
title: "SIM Card Search"
slug: "sim-card-search"
updated: 2026-08-10T20:16:10Z
published: 2026-08-10T20:16:10Z
canonical: "help.idibilling.com/sim-card-search"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.idibilling.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SIM Card Search

You can search for a SIM card either by card number or IMSI (International Mobile Subscriber ID). You can also search for a range of SIMs.

To perform a SIM Card Search:

- Access **Applications > BackOffice Management > SIM Management > SIM Card Search**. This displays the SIM Card Search window.

![SIM Card Search window](https://cdn.us.document360.io/3f7f8ade-bcb1-4ec8-af25-0c0ad8601afb/Images/Documentation/28146.gif?sv=2026-02-06&spr=https&st=2026-11-14T10%3A49%3A47Z&se=2026-11-14T11%3A49%3A47Z&sr=c&sp=r&sig=orBOlqqAjvj9VV0i4l7zqh3ehogzuZVPWFSwRKGC4Jw%3D)

The SIM Card Search window displays the following information..

| From SIM To SIM | Enter a beginning SIM number and an ending SIM number to search on. A SIM is a 20-digit number. |
| --- | --- |
| From IMSI To IMSI | Enter a beginning IMSI number and an ending IMSI number to search on. An IMSI is a 15-digit number. |
- Enter a range of numbers to search on, or enter just one SIM or one IMSI in either of the corresponding ***To*** or ***From*** fields to search for just one record.

> [!NOTE]
> Note
> 
> Wildcards may be used.
- Click **Search** to initiate the search.

Viewing SIM Card Search Results

![SIM Card Search - Column view Standard](https://cdn.us.document360.io/3f7f8ade-bcb1-4ec8-af25-0c0ad8601afb/Images/Documentation/28155.gif?sv=2026-02-06&spr=https&st=2026-11-14T10%3A49%3A47Z&se=2026-11-14T11%3A49%3A47Z&sr=c&sp=r&sig=orBOlqqAjvj9VV0i4l7zqh3ehogzuZVPWFSwRKGC4Jw%3D)

The SIM Card Search Results window displays the following information.

| SIM Card Number | A unique 20-digit number that identifies a SIM Card. |
| --- | --- |
| IMSI | A 15-digit number that is used to identify a subscriber. |
| Service Number | A service number is displayed if one has been assigned to the corresponding SIM. |
| PIN1 | Primary personal ID number (4 digits). |
| PIN2 | Secondary personal ID number (4 digits). |
| PUK1 | Primary Pin Unblocking Key (8 digits). |
| PUK2 | Secondary Pin Unblocking Key (8 digits). > [!NOTE] > Note > > If a GSM subscriber enters the wrong PIN three times in a row, the GSM handset remains locked until the corresponding PUK is entered. |