Area Code 4859 – Velikaya Mikhailovka, Odesa

Geographic Overview

The +380 4859 prefix is a geographic National Destination Code (NDC) assigned to the fixed-line telephone network serving the urban-type settlement of Velyka Mykhailivka and its surrounding administrative district in the Odesa Oblast of Ukraine. This area, historically known as Velikaya Mikhailovka, functions as a significant local administrative and commercial hub within the southern region of the country. The code is part of the national numbering plan administered by the Ukrainian State Centre of Radio Frequencies (UCRF) under the framework of ITU-T E.164.

Technical Dialing Specifications

For domestic callers within Ukraine, the complete national significant number (NSN) comprises the trunk prefix '0', the NDC '4859', and the subscriber number, which typically consists of five digits. Thus, a local call from another fixed or mobile line in Ukraine requires dialing 0 4859 XX XX XX. For international callers, the Ukrainian country code (+380) replaces the trunk prefix, resulting in the format +380 4859 XX XX XX. When dialing from abroad, the leading '0' is omitted. For example, to reach a subscriber in Velyka Mykhailivka from the United States, one would dial 011 380 4859 XX XX XX.

Caller Instructions

• Local callers within Ukraine: Dial the full national number: 0 4859 followed by the five-digit subscriber number. This applies to calls from both fixed and mobile networks.
• International callers: Dial the international access prefix of the originating country (e.g., 00 from most European countries, 011 from North America), then 380, then 4859, and the subscriber number. Do not include the trunk prefix '0'.

Geographic and Administrative Context

The Velyka Mykhailivka district is located in the northern part of Odesa Oblast, bordering the Republic of Moldova. The region is primarily agricultural, with the settlement serving as a local market and service center. The fixed-line infrastructure is provided by the national incumbent operator, Ukrtelecom, and alternative operators may offer services in the area. As with all geographic codes in Ukraine, the numbering range is tied to the physical location of the subscriber's line, and number portability between geographic areas is not supported.

Overlay and Future Considerations

Currently, there is no overlay code for the 4859 area. The subscriber number length is fixed at five digits, and the total length of the national significant number is nine digits (including the leading '0'). No changes are planned in the near term, but users should consult the Ukrainian regulator for any updates.