Telephone numbers in the Netherlands

Telephone numbers in the Netherlands are administered by the Ministry of Economic Affairs, Agriculture and Innovation of the Netherlands. The telephone numbering plan may be grouped into three general categories: geographical numbers, non-geographical numbers, and numbers for public services.

Geographical telephone numbers have nine digits and consist of an area code of two or three digits and a subscriber number of seven or six digits, respectively. When dialled within the country, the number must be prefixed with the trunk access code 0, identifying a destination telephone line in the Dutch telephone network.

Non-geographical numbers have no fixed length, but also require the dialling of the trunk access code (0). They are used for mobile telephone networks and other designated service types, such as toll-free dialling, Internet access, voice over IP, restricted audiences, and information resources.

In addition, special service numbers exist for emergency response, directory assistance, and other services by the public authorities.

Numbering plan
The telephone numbering plan of the Netherlands is divided into geographical, non-geographical, and special public resource telephone numbers. The dial plan prescribes that within the country dialling both geographical and non-geographical numbers requires a national network access code, which is the digit 0. The following list includes this national trunk access digit when it must be dialled before the number.

066, 084 and 087 are often used by scammers, because they are easy and cheap to register and make identification very hard.

Previously, 06-0, 06-1000 and 06-4 were used for toll-free numbers, 06-8 for shared cost, 06-9 for premium rate, and other 06-numbers for mobile numbers. 0011 and later 06-11 was used for emergency services before this changed to 112. 09 was used as the international access code before this changed to 00.

Geographical telephone numbers
Since the reorganization of the telephone system in 1995, Dutch geographical numbers consist of 9 digits. The numbering plan implements a system of area codes. An area code consists of two or three digits. The larger cities and areas have two digits with a subscriber number of seven digits, permitting more local numbers. Smaller areas use three digits with a six-digit subscriber number.

Geographic numbers are allocated in blocks to telecommunications providers. However, a telephone number from a block allocated to a certain provider may no longer be serviced by the original assignee due to number portability; subscribers who switch providers can take their number with them.

When dialled within the Netherlands, the domestic trunk access code 0 must be dialled before the telephone number, extending the dialling sequence to 10 digits. If dialling from overseas, the 0 (Zero) in front of the prefix must be omitted.

Before the 1995 reorganization, area codes were restricted to towns. This was lifted and multiple towns may now share an area code. The following table lists only one town for each area code, and it includes the trunk access code (0).

010 Rotterdam 0111 Zierikzee 0113 Goes 0114 Hulst 0115 Terneuzen 0117 Sluis 0118 Middelburg / Vlissingen 013  Tilburg 015  Delft 0161 Gilze-Rijen 0162 Oosterhout 0164 Bergen op Zoom 0165 Roosendaal 0166 Tholen 0167 Steenbergen 0168 Zevenbergen 0172 Alphen aan den Rijn 0174 Naaldwijk 0180 Ridderkerk and Zuidplas 0181 Spijkenisse 0182 Gouda 0183 Gorinchem 0184 Sliedrecht 0186 Oud-Beijerland 0187 Middelharnis 020  Amsterdam 0222 Texel 0223 Den Helder 0224 Schagen 0226 Harenkarspel 0227 Medemblik 0228 Enkhuizen 0229 Hoorn 023  Haarlem 024  Nijmegen 0251 Beverwijk 0252 Hillegom 0255 IJmuiden 026  Arnhem 0294 Weesp 0297 Aalsmeer 0299 Purmerend 030  Utrecht 0313 Dieren 0314 Doetinchem 0315 Terborg 0316 Zevenaar 0317 Wageningen 0318 Ede / Veenendaal 0320 Lelystad 0321 Dronten 033  Amersfoort 0341 Harderwijk 0342 Barneveld 0343 Doorn 0344 Tiel 0345 Culemborg 0346 Maarssen 0347 Vianen 0348 Woerden 035  Hilversum 036  Almere 038  Zwolle 040  Eindhoven 0411 Boxtel 0412 Oss 0413 Veghel 0416 Waalwijk 0418 Zaltbommel 043  Maastricht 045  Heerlen 046  Sittard 0475 Roermond 0478 Venray 0481 Bemmel 0485 Cuijk 0486 Grave 0487 Druten 0488 Zetten 0492 Helmond 0493 Deurne 0495 Weert 0497 Eersel 0499 Best 050  Groningen 0511 Veenwouden 0512 Drachten 0513 Heerenveen 0514 Balk 0515 Sneek 0516 Oosterwolde 0517 Franeker 0518 St. Annaparochie 0519 Dokkum 0521 Steenwijk 0522 Meppel 0523 Hardenberg 0524 Coevorden 0525 Elburg 0527 Emmeloord 0528 Hoogeveen 0529 Ommen 053  Enschede 0541 Oldenzaal 0543 Winterswijk 0544 Groenlo 0545 Neede 0546 Almelo 0547 Goor 0548 Rijssen 055  Apeldoorn 0561 Wolvega 0562 Terschelling/Vlieland 0566 Irnsum 0570 Deventer 0571 Voorst 0572 Raalte 0573 Lochem 0575 Zutphen 0577 Uddel 0578 Epe 058  Leeuwarden 0591 Emmen 0592 Assen 0593 Beilen 0594 Zuidhorn 0595 Warffum 0596 Appingedam 0597 Winschoten 0598 Hoogezand-Sappemeer 0599 Stadskanaal 070  The Hague 071  Leiden 072  Alkmaar 073  's-Hertogenbosch 074  Hengelo 075  Zaandam 076  Breda 077  Venlo 078  Dordrecht 079  Zoetermeer

Non-geographical telephone numbers
The non-geographic numbers do not have a prescribed fixed number of digits, but are usually kept as short as possible. Mobile telephone numbers, however, always have 10 digits, just like geographic numbers.

The non-geographical telephone number categories are, including the trunk access code:
 * 06: mobile telephone operators,
 * 0800: free service numbers,
 * 084, 085: used for VoIP
 * 087: voicemail and virtual private numbers
 * 088: large companies with more than one address
 * 0970: machine to machine communication, numbers are 8-11 digits long
 * 0979: machine to machine communication, numbers have no fixed length and are reserved for network internal usage
 * 0900: paid information services
 * 0906: adult lines
 * 0909: entertainment

Toll-free numbers (0800) can always be dialled for free, even from (public) payphones; other numbers starting with 08 are not free.

Public resources
The emergency number is 112. GSM mobile phones may accept different numbers, such as 999, 000 or 911, depending on the firmware. Additionally, calls to 911 are forwarded to 112 (in the Caribbean Netherlands, this is reversed - 112 redirects to 911 in that case).

Directory assistance is available from several commercial providers, on 18xx (e.g., 1888 from KPN).

Caribbean Netherlands
The islands of Bonaire, Sint Eustatius and Saba, which form the Caribbean Netherlands after the dissolution of the Netherlands Antilles, retained the numbering plan of the Netherlands Antilles using country code +599, followed by 7, 3 or 4 for Bonaire, Sint Eustatius or Saba, respectively. Calls between the European Netherlands and Caribbean Netherlands are billed as international calls.