Netherlands country code, +31 explained.
Everything you need to call Netherlands with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Netherlands
Amsterdam · Europe
· COUNTRY INFO · VERIFIED
ISO Alpha-2
NL
Capital
Amsterdam
Region
Europe
Timezone
UTC+1
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +31 · XX · XXXXXXXX
How Netherlands numbers break down
A complete number to Netherlands follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Netherlands.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +31 · XX · XXXXXXXX
Netherlands on the map
Amsterdam · Europe
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
Get a business phone number in Netherlands
A Twiching virtual number in Netherlands carries local +31 caller ID over a Tier-1 SIP trunk, so outbound calls land as a recognisable domestic number instead of an unfamiliar international one. Provisioning takes minutes, not a carrier contract.
Local +31 caller ID
Calls display a recognisable Netherlands number instead of an unfamiliar international one.
SIP trunking
Route your existing PBX or softphone through Twiching's Tier-1 trunk — no hardware swap.
Minutes to provision
Numbers activate in the dashboard the same day, with no on-the-ground carrier contract.
+31
Netherlands · ready to provision today
Why businesses route Netherlands calls through Twiching
The same Tier-1 interconnects, STIR/SHAKEN attestation, and delivery-rate guarantees that cover major markets apply to Netherlands calls too, with no reduced service tier.
Netherlands
+31
191
Countries in directory
NETHERLANDS INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How Netherlands phone numbers are structured
Numbering Format
COUNTRY
+31
AREA
XX
LOCAL
XXXXXXXX
Dialing into Netherlands means working with an open numbering plan under country code +31: a 2-digit prefix plus a 8-digit subscriber number, 10 digits total. Locally, numbers usually carry a leading "0" that gets dropped when calling Netherlands from outside the country.
Carriers & language
Mobile coverage in Netherlands comes from 3 major networks — KPN, Vodafone Netherlands, T-Mobile Netherlands — with internet penetration at 96%. VoIP is permitted and regulated by ACM (Authority for Consumers and Markets). Language (Dutch) and currency (EUR) both matter here for IVR, SMS, and scheduling support around local business hours.
Europe context
Most European numbering plans follow ITU-T E.164 with a national trunk prefix that is dropped for international dialing, and cross-border VoIP is widely supported across the region.
Skipping the exit code
From the US you must dial 011 before the +31 country code to reach Netherlands.
Keeping the national trunk "0"
Netherlands numbers often show a domestic leading 0 — drop it once you've dialed the +31 country code from outside the country.
Ignoring the time difference
UTC+1 governs local business hours in Netherlands; confirm the time there before placing the call.
Compliance, carriers & rates for Netherlands
Permitted — ACM regulated
Regulated by ACM (Authority for Consumers and Markets)
VoIP is openly regulated in Netherlands under ACM (Authority for Consumers and Markets), so there's no licensing hurdle to clear before routing calls or SMS through a compliant provider like Twiching.
- VoIP providers must register with ACM under the Telecommunications Act (Telecommunicatiewet).
- Emergency service access (112) is mandatory for all VoIP operators serving Dutch subscribers.
- The Netherlands has one of Europe's strongest GDPR enforcement regimes via the Dutch DPA (Autoriteit Persoonsgegevens).
Direct Tier-1 interconnect with KPN — no wholesale transit in between.
US → Netherlands
$0.008/min
Netherlands → US
$0.007/min
Billed per second, not rounded to the minute
How businesses use a Netherlands number
Local NL caller ID
Present a Netherlands +31 number so prospects in Amsterdam and nationwide recognise the call and are more likely to answer.
Direct routing, not transit
Netherlands traffic rides Twiching's direct interconnect with KPN, skipping the lower-tier wholesale transit that can degrade call quality.
No missed calls after hours
Scheduling support and sales coverage around UTC+1 keeps a Netherlands number answered during the local business day, not the middle of the night elsewhere.
One platform, Netherlands included
Netherlands is provisioned the same way as every other Twiching market — no separate onboarding process for a new country in the directory.
FAQ
Calling Netherlands — frequently asked questions
No license restriction beyond standard regulation — ACM (Authority for Consumers and Markets) permits VoIP in Netherlands for compliant operators. That keeps setup straightforward for a Twiching customer looking to call or text into the country.
Amsterdam is the capital of Netherlands. A local +31 number is recognisable to callers there and nationwide, which is part of why presenting local caller ID tends to improve answer rates across the whole country, not just the capital.
Yes, where locally supported — a single Twiching Netherlands number can handle both voice calls and SMS. That avoids the overhead of provisioning and managing two separate numbers for one customer-facing line.
Calls from Netherlands to the US start at $0.007/min on Twiching, billed per second rather than rounded up to the minute. That rate applies regardless of which of the major local carriers the call originates on.
ACM (Authority for Consumers and Markets) is the regulator for Netherlands. Twiching routes calls in line with its rules for compliant, licensed termination, rather than relying on unlicensed grey routes that can be blocked or degraded.
Twiching rates to Netherlands start at $0.008/min, and calls back from Netherlands to the US start at $0.007/min. Both directions are billed per second rather than rounded up to the nearest minute, on Tier-1 routes throughout.
Full country code directory
The rest of Europe is one click away — each country page below follows the same format as Netherlands: dial code, numbering plan, carriers, and current rates. All 190 other countries are listed below, Europe first.
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Get a Netherlands number.
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Phone numbers, voice, SMS and AI on one account. Direct Tier-1 routing into Netherlands from day one.
Compliance with applicable regulations required.