Area Code 117 – Oostburg

Geographic Coverage and Administrative Jurisdiction

The +31 117 area code is a geographic National Destination Code (NDC) assigned to the town of Oostburg and its surrounding communities in the southwestern part of the province of Zeeland, Netherlands. Oostburg is the principal town within the municipality of Sluis, which also includes smaller villages such as Breskens, IJzendijke, and Schoondijke. This region, known as Zeeuws-Vlaanderen, is a coastal area bordering Belgium to the south and the Westerschelde estuary to the north. The code covers a mix of residential, agricultural, and light commercial zones, with Breskens serving as a notable fishing and ferry port.

Dialing Formats and Caller Instructions

For local callers within the Netherlands, the number is dialed as 0117 followed by the subscriber's six-digit number, resulting in a total national significant number length of nine digits (excluding the leading zero). For example, a local call to a business in Oostburg would be dialed as 0117 123456. When calling from abroad, the international format requires the country code +31, the area code without the leading zero (117), and the six-digit subscriber number: +31 117 123456. It is important to note that the leading zero is only used within the Netherlands; international callers must omit it.

Overlay Considerations and Numbering Plan

Currently, there is no overlay code for the Oostburg area; the 117 code is the sole geographic NDC for this region. However, as part of the Dutch numbering plan administered by the Authority for Consumers and Markets (ACM), number portability allows subscribers to retain their geographic numbers when switching between fixed-line operators, including VoIP providers. This means that a number with the 117 prefix may not necessarily be physically located in Oostburg, as it could have been ported to a service provider outside the region. Nevertheless, the code remains geographically associated with the area for routing and administrative purposes.

Practical Usage and Economic Context

Businesses and residents in the Oostburg area rely on this code for fixed-line telephony, including PSTN and VoIP services. The region's economy is driven by tourism, agriculture, and small-scale industry, with many local enterprises using the 117 number to establish a local presence. For international callers, dialing +31 117 is straightforward, and charges are typically based on the caller's international tariff. Within the Netherlands, calls to 0117 numbers are billed as standard national fixed-line calls, unless the caller is using a mobile or VoIP service with inclusive minutes. As with all Dutch geographic codes, emergency services (112) are always free, and directory assistance can be reached at 118 or 1850.