Area Code 071 – Mobile Network
The phone area code for Mobile Network is 071 (international format +40071). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 071
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Romania Mobile Prefix 071: Technical Overview
The Romanian national numbering plan, administered by the National Authority for Management and Regulations in Communications (ANCOM), designates the prefix 071 as a non-geographic mobile network code. Unlike geographic area codes (e.g., 021 for Bucharest), 071 does not correspond to a physical region; instead, it identifies a mobile service provider's network within the Public Switched Telephone Network (PSTN) and IP Multimedia Subsystem (IMS) domains.
Romanian mobile numbers using the 071 prefix follow the E.164 international format: +40 71 XXX XXXX, where +40 is the country calling code, 71 is the National Destination Code (NDC), and the remaining seven digits constitute the subscriber number. This yields a total national significant number length of nine digits (excluding the leading zero used in domestic dialing). When calling from within Romania, subscribers must dial 071 XXX XXXX (including the trunk prefix 0). From abroad, callers dial +40 71 XXX XXXX or 0040 71 XXX XXXX using the international exit code of their origin country.
The 071 prefix is allocated to mobile network operators (MNOs) and mobile virtual network operators (MVNOs) that have secured numbering resources from ANCOM. As of the current allocation, 071 is primarily associated with Telekom Romania Mobile (formerly Telekom Romania, now part of OTE Group) and its MVNO partners. However, due to mobile number portability (MNP), a number beginning with 071 may have been ported to another operator. Therefore, the prefix does not guarantee the current network; it only indicates the original allocation. For routing purposes, the network uses the prefix to route calls to the appropriate home location register (HLR) or IMS core, but after porting, the number is re-routed via a central reference database.
From a technical perspective, 071 numbers support standard GSM/UMTS/LTE and 5G services, including voice, SMS, MMS, and data. International SMS and voice calls to 071 numbers are routed through the global SS7/SIGTRAN network and IPX interconnects, ensuring interoperability with other countries' carriers. For VoIP providers, calls to 071 numbers may incur termination charges that differ from geographic numbers, as mobile termination rates (MTRs) are regulated by ANCOM and are typically higher than fixed-line rates.
For businesses and individuals, understanding the 071 prefix is essential for accurate call routing and cost management. When dialing a Romanian mobile number, always verify the full nine-digit number to avoid misdialing. For international callers, using the +40 country code is mandatory, and the leading zero of the national prefix is omitted. As Romania continues to harmonize with EU telecom regulations, the 071 prefix remains a stable component of the national numbering plan, ensuring reliable connectivity for mobile subscribers.