Area Code 642 – Luhansk/Oleksandrivsk, Luhansk

Geographic Overview

The Ukrainian country code +380, followed by the national destination code (NDC) 642, designates a geographic numbering area within the Luhansk administrative region of eastern Ukraine. Specifically, the +380 642 prefix serves the city of Oleksandrivsk and its immediate surroundings, which are part of the Luhansk urban agglomeration. This area code is allocated under the national numbering plan of Ukraine, which follows ITU-T E.164 recommendations. The geographic coverage of +380 642 is distinct from the larger Luhansk city code +380 642, which serves the regional capital, Luhansk. Oleksandrivsk is located approximately 10 kilometers northwest of Luhansk city center, along the Luhan River.

Dialing Formats

When calling a fixed-line subscriber within the +380 642 area, the national significant number (NSN) consists of the trunk prefix '0', the NDC '642', and the subscriber number, which is typically 5 to 7 digits long. The full international format is +380 642 XXX XX XX (or +380 642 XXX XX for shorter numbers). For local calls within the same geographic area, callers may dial the subscriber number directly without the trunk prefix and area code, depending on the specific local dialing plan. However, for calls from other regions of Ukraine, callers must dial 0 642 followed by the subscriber number. For international callers, the format is +380 642 followed by the subscriber number.

Administrative and Jurisdictional Context

The Luhansk region has been affected by geopolitical conflicts since 2014, and parts of the region are under temporary occupation. As a result, telecommunication services in some areas may be disrupted or rerouted. However, the numbering plan remains officially assigned by the Ukrainian National Commission for State Regulation of Communications and Informatization (NCCIR). The +380 642 code is a geographic code, meaning that the tariff for calls to this number is typically higher than calls to non-geographic numbers, and it is associated with fixed-line PSTN services. In recent years, VoIP and mobile operators have also been able to use geographic numbers for fixed wireless access, but the primary allocation remains for wireline services.

Caller Instructions

For callers within Ukraine, dialing 0 642 XXX XX XX will connect to a subscriber in Oleksandrivsk. For callers from abroad, the international access code (e.g., 00 from most countries) followed by 380 642 XXX XX XX is required. It is important to note that when dialing from a mobile phone in Ukraine, the trunk prefix '0' is still required for geographic numbers, unless the caller is using a VoIP service that may allow alternative dialing formats. Always verify the current status of the area, as service availability may vary.