Area Code 3157 – Bolyarino
The phone area code for Bolyarino is 3157 (international format +3593157). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3157
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Bolyarino
Geographic Overview
The +359 3157 prefix is a geographic National Destination Code (NDC) assigned to the fixed-line telephone network serving the village of Bolyarino and its immediate administrative vicinity within Plovdiv Province, Bulgaria. Bolyarino is located in the Upper Thracian Plain, approximately 20 kilometers southeast of the city of Plovdiv, and falls under the jurisdiction of the Rodopi Municipality. This numbering area is part of Bulgaria's national numbering plan, which adheres to ITU-T E.164 recommendations, ensuring standardized international dialing procedures.
Dialing Formats and Caller Instructions
For callers within Bulgaria, the prefix must be dialed in its national format, which includes the trunk prefix '0' followed by the NDC and the subscriber number. The full national dialing sequence for a Bolyarino fixed-line number is 0 3157 XXX XX, where 'XXX XX' represents the unique five-digit subscriber line. For example, a local number might appear as 03157 12345 when dialed domestically.
International callers must omit the leading '0' and instead use Bulgaria's country calling code, +359, followed directly by the NDC and subscriber number. The correct international format is +359 3157 XXX XX. For instance, if the subscriber number is 12345, the full international dialing sequence would be +359 3157 12345. This format is essential for ensuring proper routing through international telecommunication networks.
Geographic Allocation and Numbering Plan Considerations
As a geographic code, +359 3157 is tied to the physical location of the fixed-line termination point. This means that the number is associated with the PSTN (Public Switched Telephone Network) infrastructure serving Bolyarino and nearby localities. Unlike mobile or non-geographic numbers, geographic codes are not portable outside their designated rate areas under standard numbering regulations, although number portability within the same geographic area may be supported by the Bulgarian Communications Regulation Commission (CRC).
Bolyarino's numbering area is part of the larger Plovdiv numbering plan region, which is subdivided into multiple local exchange areas. The 3157 prefix specifically identifies the exchange that serves Bolyarino, ensuring efficient call routing and tariffing. For businesses or residents in Bolyarino, having a local geographic number can enhance local presence and trust, while callers from other parts of Bulgaria or abroad should be aware of the applicable tariffs, which are typically lower for local calls compared to mobile or international rates.
When dialing from a mobile phone within Bulgaria, the same national format applies (0 3157 XXX XX). However, if the caller is abroad, they must use the international format (+359 3157 XXX XX). It is also important to note that Bulgaria has adopted the EU's harmonized emergency number 112, which is accessible free of charge from any phone, including fixed lines in Bolyarino.