How do I choose the right code?

Pick the needed service and verify code type (USSD or SMS) before use.

Are these codes official?

Codes are published for guidance and may change by the telecom operator.

Zain Iraq codes and services: activate plans, cancel subscriptions, and check balance/validity.

All Activate Cancel Check Renew Other

Service	Action	Type	Code	Description
فحص الرصيد	Check	USSD	*101#
فحص صلاحية الخط	Check	USSD	*121#	Please verify from the official carrier page for the latest code updates.
فحص المتبقي من الانترنت (باقات الكارت/الداتا)	Check	SMS	(empty)	لفحص رصيد الانترنت: أرسل SMS فارغة إلى 21777.