Area Code 3764 – Polyanovo, Hask.

Geographic Overview

The +359 3764 prefix is a geographic National Destination Code (NDC) assigned to the fixed-line telephone network serving the town of Polyanovo and its surrounding areas within the Haskovo Province of southern Bulgaria. This region falls under the administrative jurisdiction of the Haskovo Municipality and is part of the Thracian plain, an area known for its agricultural output and proximity to the Greek border. The code is used for traditional PSTN (Public Switched Telephone Network) services, including analog and digital fixed lines, as well as some VoIP-based fixed services that retain geographic numbering.

Coverage and Local Dialing

The +359 3764 prefix covers the town of Polyanovo and several smaller villages in the immediate vicinity. Subscribers within this geographic area share the same local network, meaning that calls between numbers under the 3764 prefix can be made using the local format, which typically involves dialing only the subscriber number (usually 5 to 6 digits) without the trunk prefix or area code. For example, a local call to a number like 12345 would simply require dialing 12345.

National and International Dialing Formats

For callers within Bulgaria but outside the 3764 area, the national dialing format must include the trunk prefix 0 followed by the area code and subscriber number: 0 3764 12345. When calling from abroad, the international format requires the country code +359, followed by the area code without the leading zero, and the subscriber number: +359 3764 12345. This format is essential for proper routing through international gateways.

Number Structure and Overlays

Bulgarian geographic numbers typically have a total length of 8 digits when including the area code (excluding the trunk prefix). For the 3764 area, the subscriber number length is typically 5 or 6 digits, making the complete national significant number (NSN) 8 digits. As of the latest numbering plan updates, there are no overlay codes or 10-digit dialing requirements in this region; the traditional local dialing rules remain in effect. However, users are advised to check with their service provider for any future changes.

Caller Instructions

• Local callers (within the 3764 area): Dial only the subscriber number.
• National callers (from other Bulgarian regions): Dial 0 3764 followed by the subscriber number.
• International callers: Dial +359 3764 followed by the subscriber number, omitting the leading zero.

This geographic code is a vital part of Bulgaria's telecommunications infrastructure, ensuring reliable connectivity for residents and businesses in the Polyanovo area.