Area Code 383 – Novosibirsk
The phone area code for Novosibirsk is 383 (international format +7383). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 383
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Novosibirsk
Geographic Overview
The +7 383 area code is the national destination code (NDC) for the Novosibirsk region in the Russian Federation. It covers the city of Novosibirsk, the administrative center of the Siberian Federal District, as well as the surrounding Novosibirsk Oblast. This geographic code is assigned to fixed-line PSTN services, with numbers typically used by residential, commercial, and government subscribers within the region.
Dialing Formats
When calling a Novosibirsk number from within Russia, subscribers must use the trunk prefix '8' followed by the area code and the subscriber number. For example, to reach a local number 123-45-67, a caller from another Russian city would dial: 8 383 123-45-67. From outside Russia, the international access code is used, followed by Russia's country code +7, the area code 383, and the subscriber number: +7 383 123-45-67.
Local calls within the Novosibirsk region do not require the area code; subscribers can dial the seven-digit subscriber number directly. However, if an overlay plan is implemented, ten-digit dialing may become mandatory for local calls. As of the latest ITU-T recommendations, no overlay has been introduced for 383, but subscribers should verify with their service provider.
Geographic Coverage and Administration
The 383 code is administered by the Russian Federal Communications Agency and is allocated to the Novosibirsk region. It serves the city of Novosibirsk, which is the largest city in Siberia, as well as the towns of Berdsk, Iskitim, Ob, and the scientific community of Akademgorodok. The region is a major industrial, scientific, and cultural hub, and the area code is used by a wide range of organizations, including government institutions, universities, and businesses.
Caller Instructions
For callers within Russia, the standard trunk prefix '8' is used for long-distance calls. For callers from other countries, the international prefix (e.g., 00 from most European countries, 011 from the US) must be used before the country code and area code. It is important to note that the Russian numbering plan uses the +7 country code, which is shared with Kazakhstan, but the 383 code is exclusively for Russia.
When dialing from a mobile phone in Russia, the same rules apply: use '8' for domestic calls or '+7' for international format. Mobile operators in Russia may require the full international format for all calls, so it is advisable to use +7 383 ... when saving numbers in contacts.
For international callers, the number should be dialed in the format +7 383 XXX-XX-XX, where X represents the seven-digit subscriber number. This ensures proper routing through the international gateway.