Network & carriers
Telecom services once managed under the Netherlands Antilles are now handled independently by its successor territories, including Curacao and Sint Maarten.
+599 · AN · UTC-4
Netherlands Antilles
Country Code & Virtual Numbers
The former Netherlands Antilles' +599 code now covers its successor territories, including Curacao and Sint Maarten. Capital: Willemstad · Business hours: 8:00 AM–4:00 PM EST.
// The Basics
What is the +599 country code?
Netherlands Antilles's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
Numbering format
Numbers under the former Netherlands Antilles designation follow the numbering conventions of its successor Dutch Caribbean territories.
Calling culture
Business culture across the former Netherlands Antilles territories blends Dutch and Caribbean influences.
Did you know
The Netherlands Antilles was formally dissolved in 2010, with its constituent islands becoming separate countries or special municipalities within the Kingdom of the Netherlands.
// Quick Facts
A quick read on Netherlands Antilles numbers.
Numbers under the former Netherlands Antilles designation follow the numbering conventions of its successor Dutch Caribbean territories. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call Netherlands Antilles from abroad? Dial your local exit code, then 599, then the local number.
Best time to call Netherlands Antilles from the US
Netherlands Antilles is on UTC-4 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
Why get a Netherlands Antilles virtual number?
A +599 virtual number gives your business instant local presence in Netherlands Antilles — without the overhead.
Local caller ID in Netherlands Antilles
When you call from your virtual Netherlands Antilles number, contacts see a local +599 number — dramatically improving answer rates.
No office needed
Establish a local presence in Netherlands Antilles without renting space, hiring locally, or installing any hardware.
Instant credibility
A recognizable local number can help facilitate communication with contacts across the Dutch Caribbean.
Routes to any device
Calls to your Netherlands Antilles number ring your team on mobile, desktop, or desk phone — wherever they work.
// Platform Features
Everything to call Netherlands Antilles
The tools to reach Netherlands Antilles contacts reliably and scale your international presence globally.
150+ country coverage
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HD voice quality
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Call recording
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Voicemail to text
Voicemails transcribed and delivered by email or SMS. Never miss a message across time zones.
CRM auto-logging
All calls to and from your international number auto-logged in Salesforce, HubSpot, or Zoho.
International analytics
Call volume, answer rates, and duration broken down by country, region, and time of day.
Local Caller ID
Show a local country number as your caller ID when dialling internationally. Improves pickup rates significantly.
Instant provisioning
Activate a new country number in under 60 seconds. No contracts, no hardware, no waiting.
99.99% uptime SLA
Enterprise-grade reliability for your international calling infrastructure, 24/7.
// Get Started
Get a Netherlands Antilles number today
Active in under ten minutes. No contracts required.
- 01
Sign up
Create your Rozper account in under 2 minutes. No credit card required to start your free trial.
- 02
Get your number
Browse available numbers in your target country and activate instantly.
- 03
Configure routing
Route calls to any device. Set business hours, voicemail, and IVR from your dashboard.
- 04
Start calling globally
Make and receive international calls immediately. Active in under 10 minutes.
// Complete List
All world dial codes by country.
Every country and territory, every international dial code. Click a country to browse it.
List of World Countries and Their Dial Codes
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Frequently Asked
Netherlands Antilles questions answered.
Answers about telecom access across the former Netherlands Antilles territories and getting a local virtual number.
The international dialing code for Netherlands Antilles is +599. When calling from the US, dial 011 + 599 + the local number. Rozper handles this automatically.
A Netherlands Antilles virtual number goes live in under 10 minutes. Ask us how.
Start calling Netherlands Antilles, not tomorrow.
Get a virtual Netherlands Antilles number or make direct international calls to +599 — active in under ten minutes.