Area Code 3926 – Dobrich, Hask.

Geographic Overview and Administrative Jurisdiction

The +359 3926 prefix is a geographic National Destination Code (NDC) assigned to a specific numbering area within the Republic of Bulgaria. This code serves the Dobrich region, specifically the administrative territory of the municipality of Dobrich and its surrounding localities. The prefix is part of the Bulgarian PSTN (Public Switched Telephone Network) numbering plan, managed by the Communications Regulation Commission (CRC) of Bulgaria. Calls to +359 3926 are routed to fixed-line subscribers within this designated geographic area.

Coverage Area and Primary Localities

The 3926 area code covers the city of Dobrich, the administrative center of Dobrich Province, and the adjacent settlements within the Dobrich municipality. This region is located in northeastern Bulgaria, near the Black Sea coast and the Romanian border. The code is used for both residential and business fixed-line services, including local enterprises, public institutions, and private subscribers. The geographic coverage is limited to the Dobrich municipality; neighboring towns such as Balchik, Kavarna, or Tervel use different area codes (e.g., +359 57 for Balchik, +359 574 for Kavarna).

Dialing Formats and Instructions

For international callers, the full E.164 format is: +359 3926 XXX XXX (where X represents the subscriber number). For example, a local number might be dialed as +359 3926 12345. Within Bulgaria, callers must use the trunk prefix '0' before the area code: 03926 12345. When dialing from a mobile phone within Bulgaria, the same national format (03926 12345) is used. Local calls within the Dobrich area (same area code) may be dialed using only the subscriber number (12345) if the operator supports local dialing, but this is not guaranteed; using the full national format is always safe.

Numbering Plan and Overlay Considerations

Bulgarian fixed-line numbers are typically 6 to 7 digits long after the area code. For the 3926 code, the subscriber number length is typically 5 to 6 digits, making the total national significant number (NSN) 8 or 9 digits (including the leading '0'). There are no overlay codes in this region; the 3926 code is exclusive to the Dobrich municipality. However, due to number portability, a subscriber may retain their 3926 number even if they move outside the geographic area, but the number remains associated with the original tariff and routing.

Caller Instructions and Cost Considerations

For callers from outside Bulgaria, dial the international access prefix (e.g., 00 from most European countries, 011 from North America), then the country code 359, followed by the area code 3926 and the subscriber number. Do not include the trunk prefix '0' when dialing from abroad. Calls to +359 3926 are charged as international fixed-line calls, with rates varying by operator. Within Bulgaria, calls to this prefix from landlines are typically charged at local or national rates depending on the distance; from mobile phones, they are charged according to the caller's mobile plan. Emergency services (112) are always free.