MTNL USSD Codes for Balance, Internet, SMS and Services

MTNL USSD Codes for Balance, Internet, SMS and Services MTNL USSD Codes for Balance and Validity: Balance check:*123# Internet balance and validity for MTNL MUMBAI 2G/3G OR DATA PAC: *446# *444# for mobile account balance and validity *445# for mobile expiry plan vouchers MTNL USSD Codes for Customer Care, Services and Offers for MTNL Delhi: To Know Your MTNL Number:  Dial *8888#

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