Area Code 77 – Mobile - Digi Mobil
The phone area code for Mobile - Digi Mobil is 77 (international format +4077). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 77
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📍 Geographic Location of Mobile - Digi Mobil
Overview of Romania's +40 77 Prefix
The +40 77 prefix is a non-geographic mobile numbering range assigned to Digi Mobil, the mobile virtual network operator (MVNO) arm of RCS & RDS, one of Romania's leading telecommunications groups. Unlike geographic area codes, which correspond to fixed locations, the 77 prefix is used exclusively for mobile services, enabling subscribers to make and receive calls anywhere within Romania and internationally. The prefix is part of Romania's national numbering plan under ITU-T E.164, with the full international format being +40 77X XXX XXX (where X represents a digit). The national format is 077X XXX XXX, with the leading zero dropped when dialing from abroad.
Technical Characteristics and Numbering
All numbers under the 77 prefix are 10 digits long in national format (including the leading zero) and 9 digits in international format (excluding the zero). The prefix is non-geographic, meaning it is not tied to any specific region or city. Digi Mobil operates as an MVNO, utilizing the network infrastructure of other carriers (primarily Vodafone Romania) while providing its own services and branding. This prefix is used for voice, SMS, and mobile data services, and supports number portability, allowing subscribers to retain their numbers when switching to another operator.
Dialing Instructions
For callers within Romania, dial the full national number: 077X XXX XXX. For international callers, dial the international access code (e.g., 00 or +), followed by Romania's country code 40, and then the subscriber number without the leading zero: +40 77X XXX XXX. For example, a Romanian number 0771 234 567 would be dialed as +40 771 234 567 from abroad. When sending SMS internationally, the same format applies: +40 77X XXX XXX.
Regulatory and Cost Considerations
As a mobile prefix, calls to 77 numbers are subject to mobile termination rates, which are regulated by the National Authority for Management and Regulation in Communications (ANCOM). Costs for calling these numbers vary depending on the caller's operator and plan; international calls to Romanian mobiles are typically charged at higher rates than domestic calls. For Digi Mobil subscribers, calls between Digi numbers are often included in bundled plans, but this may not apply to calls from other networks. Number portability means that a number starting with 77 may no longer be served by Digi Mobil if the subscriber has ported to another operator, but the prefix remains associated with the original allocation in the national plan.