Haarlem Area Codes, Netherlands |
| Country | Town/City | Area Code |
| Netherlands | Haarlem | +31 23 |
Area Codes of Netherlands Cities
- Area Code of s-Hertogenbosch
- Area Code of Almere
- Area Code of Amersfoort
- Area Code of Amsterdam
- Area Code of Apeldoorn
- Area Code of Arnhem
- Area Code of Breda
- Area Code of de Meern
- Area Code of Delft
- Area Code of Den Bosch
- Area Code of Denventer
- Area Code of Deventer
- Area Code of Dordrecht
- Area Code of Ede
- Area Code of Eindhoven
- Area Code of Emmen
- Area Code of Enschede
- Area Code of Groningen
- Area Code of Haarlem
- Area Code of Heemstede
- Area Code of Hillegersberg
- Area Code of Hilversum
- Area Code of Hoensbroek
- Area Code of Hoofddorp
- Area Code of Hoogkerk
- Area Code of Hoogvliet
- Area Code of Houten
- Area Code of IJsselstein
- Area Code of Leiden
- Area Code of Maastricht
- Area Code of Nieuwegein
- Area Code of Nijmegen
- Area Code of Oud Zuilen
- Area Code of Philipsburg
- Area Code of Rotterdam
- Area Code of The Hague
- Area Code of The Hague Den Haag
- Area Code of Tilburg
- Area Code of Utrecht
- Area Code of Vught
- Area Code of Zaandam
- Area Code of Zeist
- Area Code of Zoetermeer
- Area Code of Zwolle