Area Code 181 – Spijkenisse
The phone area code for Spijkenisse is 181 (international format +31181). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 181
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Spijkenisse
Overview of Area Code +31 181
The Dutch national prefix +31 181 corresponds to the geographic area code 181, which serves the municipality of Spijkenisse and its surrounding localities in the province of South Holland. Spijkenisse is situated on the island of Voorne-Putten, near the larger Rotterdam metropolitan area. This code is allocated under the Netherlands' national numbering plan, which follows ITU-T E.164 recommendations, and is used for fixed-line (PSTN) services within this specific geographic region.
Geographic Coverage and Administrative Jurisdiction
Area code 181 covers the town of Spijkenisse itself, along with adjacent areas such as Hekelingen, Simonshaven, and parts of the surrounding polder landscape. Administratively, Spijkenisse is part of the municipality of Nissewaard, which was formed in 2015 through the merger of Spijkenisse and Bernisse. The code is exclusively assigned to fixed-line connections within this defined geographic area, meaning that numbers bearing this prefix are tied to physical locations in that region.
Dialing Formats and Caller Instructions
For domestic callers within the Netherlands, dialing a number in the Spijkenisse area requires the trunk prefix '0' followed by the area code and the subscriber number. For example, a local number might be dialed as 0181 612345. When calling from abroad, the international format must be used: +31 181 612345 (omitting the leading '0'). Local callers within the same area code may sometimes dial only the seven-digit subscriber number, but this depends on the specific carrier and local dialing conventions; it is always safe to use the full national format.
Overlay and Numbering Considerations
As of the latest updates to the Dutch numbering plan, there is no overlay code for area 181, meaning that the code is not shared with other geographic areas. However, number portability allows subscribers to retain their 181 numbers when moving to other fixed-line providers, even if the physical location changes, provided the service remains within the same rate center area. This can lead to situations where a number with the 181 prefix is not physically located in Spijkenisse, but such cases are exceptions rather than the norm.
Usage and Practical Information
Businesses and residents in Spijkenisse use numbers with this prefix for standard fixed-line telephony, including voice calls, fax, and DSL services. For callers from outside the Netherlands, it is important to note that the plus sign (+) represents the international access code, which varies by country (e.g., 00 in most European countries, 011 in the United States). When dialing from a mobile phone, the plus sign can be used directly. Calls to +31 181 numbers are typically charged according to the caller's international tariff, and for fixed-line calls within the Netherlands, standard national rates apply.