To use the service you'll need a PIN number.

使用该服务需要一个密码。

《柯林斯英汉双解大词典》

Users must include their ID Card number with the money order or postal note. ID Numbers will be used as the PIN number to access the service.

用户需在汇票或汇款单上注明其身份证号码，此号码将会用来作为他的密码以获得通话服务。

youdao

Pin hole bolt ruptures under its service.

销孔螺栓在服役期限内发生断裂。

youdao

Additionally with the premium version, you can drop a pin onto any given spot and get a complete breakdown of carrier service in the area.

ENGADGET

They have also developed a solution where at the end of a transaction you get a call back by an automated service to confirm your payment, it reads the transaction through IVR and at the end you type in a PIN to confirm.

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