Area Code 516 – Oosterwolde
The phone area code for Oosterwolde is 516 (international format +31516). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 516
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Oosterwolde
Geographic Coverage and Administrative Jurisdiction
Area code 516 is a geographic National Destination Code (NDC) within the Netherlands' national numbering plan, conforming to ITU-T E.164 standards. It serves the municipality of Ooststellingwerf in the province of Friesland. The code covers the town of Oosterwolde (the municipal seat) and surrounding villages including Appelscha, Donkerbroek, Elsloo, Fochteloo, Haule, Haulerwijk, Langedijke, Makkinga, Nijeberkoop, Oldeberkoop, Ravenswoud, and Waskemeer. This is a predominantly rural area near the Drenthe border, known for its natural reserves and recreational tourism.
Dialing Formats and Caller Instructions
Within the Netherlands, calls to any 516 number require dialing the full national number: 0516 followed by the six-digit subscriber number (total 10 digits). For example, to reach a business in Oosterwolde from elsewhere in the country, you would dial 0516 123456. Note that the leading '0' is a trunk prefix and is not part of the international number.
From abroad, callers must use the international format: the country code +31, followed by the NDC without the leading zero, and then the subscriber number. Thus, the same number becomes +31 516 123456. When storing numbers in international format, it is standard practice to omit the trunk prefix and any spaces or hyphens.
Numbering Plan and Overlay Considerations
As of the latest ITU-T national numbering plan, area code 516 is not subject to an overlay. The subscriber number length is fixed at six digits, and the total length of a national significant number (NSN) is nine digits (NDC + subscriber number). No changes to this structure are currently planned. The code is exclusively used for fixed-line PSTN and VoIP services; mobile numbers in the Netherlands are assigned to non-geographic prefixes such as 6.
Practical Information for Callers
Local calls within the 516 area do not require the area code if dialed from a fixed line in the same locality, but this practice is becoming less common as VoIP and mobile usage increase. For all other domestic calls, the full 10-digit number must be dialed. International callers should be aware that calls to Dutch geographic numbers are typically charged at standard international rates, depending on their carrier. Emergency services (112) are always free and reachable from any phone.