Area Code 4593 – Shivachevo
The phone area code for Shivachevo is 4593 (international format +3594593). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 4593
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Shivachevo
Overview of Area Code 4593
Area code 4593 is a geographic National Destination Code (NDC) within the Bulgarian numbering plan, assigned to the town of Shivachevo and its surrounding areas. Shivachevo is located in the Sliven Province, in the southeastern part of Bulgaria, and serves as the administrative center of the Shivachevo Municipality. The code is part of the 4xxx range, which is allocated for fixed-line telephone services in the eastern and central regions of the country.
Geographic Coverage and Administration
The 4593 area code covers the municipality of Shivachevo, which includes the town itself and several nearby villages. This region is primarily rural, with agriculture and light industry being the main economic activities. The area is served by the Bulgarian fixed-line network, operated by the incumbent telecom provider, Bulgarska telekomunikatsionna kompania (BTC), as well as alternative carriers that offer local loop unbundling services.
Dialing Formats and Usage
When dialing a number within the 4593 area code, the national subscriber number is seven digits long, comprising the three-digit area code (4593) followed by a four-digit local number. For example, a local number might be 4593 1234.
- Local calls (within the same area code): In Bulgaria, local calls within the same geographic area code can often be made by dialing only the subscriber number (the last four digits) if the caller is within the same local calling area. However, for clarity and to avoid misdialing, it is recommended to dial the full national number, including the area code, even for local calls.
- National calls (from other parts of Bulgaria): To call a Shivachevo number from elsewhere in Bulgaria, dial 0 (the trunk prefix) followed by the area code and subscriber number: 0 4593 1234.
- International calls (from abroad): Callers from outside Bulgaria should dial the international access prefix (e.g., 00 from most countries), followed by the Bulgaria country code +359, then the area code without the leading trunk prefix '0', and the subscriber number: +359 4593 1234.
Overlays and Numbering Plan Considerations
As of the latest ITU-T E.164 guidelines for Bulgaria, there are no overlay codes for the 4593 area. The Bulgarian Communications Regulation Commission (CRC) manages the numbering plan, and geographic codes are assigned based on administrative regions. No changes are currently planned for this area code, but subscribers should be aware that number portability allows users to retain their numbers when switching between fixed-line operators, which may result in a number being served by a different network than originally assigned.
Practical Information for Callers
For local callers within Shivachevo, dialing the full national number (including the area code) is always safe. For international callers, it is essential to omit the leading '0' of the area code when dialing from abroad. The cost of calls to 4593 numbers depends on the caller's own tariff plan and the operator's interconnection rates. There are no special premium or service charges associated with this geographic code.