Area Code 37 – Gyongyos
The phone area code for Gyongyos is 37 (international format +3637). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 37
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Gyongyos
Geographic Overview and Coverage
The +36 37 country and area code combination is assigned to the geographic region of Gyöngyös, a city in Heves County, northern Hungary. This area code serves the administrative district and its surrounding settlements, including nearby towns and villages within the Mátra mountain range foothills. The region is known for viticulture, with Gyöngyös being a key center of the Mátra wine region. The geographic coverage of the 37 prefix is strictly limited to this part of Heves County, and it does not extend to other Hungarian cities or regions.
Dialing Formats and Number Structure
Within Hungary, calls to Gyöngyös numbers are made using the national trunk prefix '06' followed by the area code '37' and the subscriber's six-digit local number. For example, a local number such as 312-345 would be dialed as 06 37 312 345 from anywhere within the country. Internationally, callers must use the Hungarian country code '+36', followed by the area code '37' (omitting the leading '0' of the trunk prefix) and the six-digit subscriber number. Thus, the same number would be dialed as +36 37 312 345 from abroad. The total length of a Hungarian geographic number, including the country code, is 11 digits (e.g., +36 37 312 345).
Caller Instructions and Overlay Considerations
For local callers within the Gyöngyös area, short-dialing (omitting the area code) may be possible for calls to other numbers within the same exchange, but this is not guaranteed across all service providers. It is always safer to use the full national format (06 37 ...) to ensure proper routing. There are no overlay codes currently in effect for this area, meaning the 37 prefix is exclusively used for this geographic region. However, number portability allows subscribers to retain their numbers when switching providers, but the geographic significance of the prefix remains tied to the original location.
Practical Usage and Business Relevance
Businesses operating in Gyöngyös often list their contact numbers with the +36 37 prefix to signal a local presence. For companies outside Hungary, using +36 37 numbers for customer service or sales lines can establish a regional foothold. When dialing from a mobile phone, the same international format (+36 37 ...) applies. It is important to note that calls to Hungarian geographic numbers from abroad are typically charged at international rates, while calls from within Hungary are subject to national tariffs, which may vary depending on the caller's network and subscription plan.