Area Code 174 – Naaldwijk
The phone area code for Naaldwijk is 174 (international format +31174). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 174
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Naaldwijk
Geographic Coverage and Administrative Jurisdiction
The +31 174 country and area code combination corresponds to a geographic numbering area in the western Netherlands, primarily serving the municipality of Naaldwijk and its surrounding localities within the province of South Holland. Naaldwijk is the administrative center of the Westland region, a prominent horticultural area known for greenhouse agriculture. The code covers the town itself and adjacent communities such as Honselersdijk, Maasdijk, and parts of the broader Westland municipality. This area code is allocated under the Dutch national numbering plan, which is administered by the Authority for Consumers and Markets (ACM) in accordance with ITU-T E.164 recommendations.
Dialing Formats and Caller Instructions
For local callers within the Netherlands, the area code is dialed with a leading zero, followed by the subscriber number. The complete national format is 0174 followed by a six-digit local number, resulting in a total length of ten digits. For example, a typical local number might be 0174 123456. When dialing from abroad, the leading zero is omitted, and the international prefix of the originating country is used. The international format becomes +31 174 123456 or 011 31 174 123456 when dialing from the United States or Canada. Callers from outside the Netherlands should always replace the initial zero with the +31 country code.
Overlay and Numbering Considerations
Currently, there is no overlay code for the 174 area; it remains a standalone geographic code. However, number portability is available in the Netherlands, meaning that a subscriber may retain their 174 number even if they move to a different geographic area or switch to a VoIP or mobile service provider. This can occasionally lead to a number being associated with a location outside the traditional coverage area. For businesses, having a 174 number establishes a local presence in the Westland region, which can be beneficial for customer trust and local marketing efforts.
Practical Usage and Examples
To illustrate, a resident in Naaldwijk calling a neighbor would dial 0174 123456. An international caller from the United Kingdom would dial 00 31 174 123456, while a caller from the United States would dial 011 31 174 123456. It is important to note that when dialing internationally, the area code must be preceded by the country code +31, and the trunk prefix '0' must be dropped. This ensures proper routing through the international telephone network.