Area Code 3040 – Trigrad

Overview of +359 3040

The +359 3040 prefix is a geographic area code assigned to the town of Trigrad and its surrounding region in the Rhodope Mountains of southern Bulgaria. Trigrad is part of the Devin Municipality, within the Smolyan Province. This code is used for fixed-line (PSTN) services, connecting callers to residential, business, and public administration lines in this mountainous area.

Geographic Coverage and Administration

The area code 3040 covers Trigrad and the immediate neighboring villages, including Yagodina and Mihalkovo. As a geographic code, it is tied to the physical location of the line, and the administrative jurisdiction falls under the Bulgarian Communications Regulation Commission (CRC). The region is known for its tourism, particularly the Trigrad Gorge and the Devil's Throat Cave, so many lines are associated with local hotels, guesthouses, and tourist services.

Dialing Formats

• National dialing (within Bulgaria): Dial 0 3040 XXX XX (or 03040 followed by the subscriber number). For example, to call a local number 12345, you would dial 03040 12345.
• International dialing (from outside Bulgaria): Dial +359 3040 XXX XX (or 00359 3040). For instance, from the USA, you would dial 011 359 3040 12345.

When dialing locally within the same area code, the national trunk prefix 0 is often omitted in some contexts, but the standard format includes it. The subscriber number length varies, but the total length of the national significant number (NSN) is 8 to 9 digits, including the leading 0.

Overlay and Numbering Plan Considerations

Currently, there is no overlay code for 3040; it remains a standalone geographic code. However, as part of the Bulgarian numbering plan, all geographic codes are subject to number portability, meaning a subscriber can retain their number when switching providers. Callers should always use the full international format when dialing from abroad to ensure proper routing.

Caller Instructions

• Local callers (within Bulgaria): Use the national format 03040 followed by the subscriber number.
• International callers: Use the international format +359 3040 followed by the subscriber number, omitting the leading 0.

For example, to reach a business in Trigrad with the number 56789, an international caller would dial +359 3040 56789. This ensures the call is correctly routed to the fixed-line network in the Trigrad area.