Area Code 56 – Szolnok
The phone area code for Szolnok is 56 (international format +3656). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 56
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Szolnok
Geographic Overview
The +36 56 area code is a geographic National Destination Code (NDC) assigned to the city of Szolnok and its surrounding administrative district in central Hungary. Szolnok serves as the county seat of Jász-Nagykun-Szolnok County and is a significant economic and cultural hub along the Tisza River. The area code covers the city itself, as well as nearby towns and villages within the Szolnok district, including Rákóczifalva, Martfű, and Tószeg.
Dialing Formats
When calling a landline in Szolnok from within Hungary, subscribers must dial the national trunk prefix 06, followed by the area code 56 and the subscriber's six-digit local number. For example, a local number such as 123 456 would be dialed as 06 56 123 456 from any other part of the country. From abroad, callers should use the international access prefix (typically 00 or +), followed by the Hungarian country code 36, the area code 56 (without the leading zero), and the six-digit local number: +36 56 123 456.
Local and International Calling Instructions
For local callers within the Szolnok area, the national format with the trunk prefix is still required for calls from other Hungarian networks. However, calls made from a landline within the same geographic area may sometimes be placed using only the six-digit local number, depending on the operator's dialing plan. To ensure connectivity, it is recommended to always use the full national format. International callers must replace the leading zero of the area code with the country code, resulting in +36 56 followed by the local number.
Numbering and Overlay Considerations
Hungarian geographic numbers are fixed at eight digits in length, including the area code. The 56 area code is not subject to an overlay, meaning that no additional area codes have been introduced for the same geographic region. Subscriber numbers in Szolnok are allocated by the National Media and Infocommunications Authority (NMHH) to various fixed-line operators, and number portability allows users to retain their numbers when switching providers, even if they move outside the geographic area, though the number retains its original geographic association.
Practical Usage
Businesses and residents in Szolnok use the 56 area code for all fixed-line services, including PSTN and VoIP-based landlines. When providing contact details, it is essential to include the area code for callers outside the immediate local area. For international callers, always present the number in international format, e.g., +36 56 123 456, to avoid confusion and ensure proper routing.