Laos country code, +856 explained.
Everything you need to call Laos with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Laos
Vientiane · Asia
· COUNTRY INFO · VERIFIED
ISO Alpha-2
LA
Capital
Vientiane
Region
Asia
Timezone
UTC+7
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +856 · XX · XXXXXXX
How Laos numbers break down
A complete number to Laos 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 Laos.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +856 · XX · XXXXXXX
Laos on the map
Vientiane · Asia
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
SIP trunking and local numbers for Laos
A Laos virtual number from Twiching plugs into SIP trunking, so an existing phone system can dial out with local +856 presence without swapping hardware or carriers.
Local +856 caller ID
Calls display a recognisable Laos 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.
+856
Laos · ready to provision today
Built for reliable delivery into Laos
Direct interconnects with Lao Telecom and the wider Laos network mean calls skip lower-tier wholesale transit entirely, on every call, not just high-volume routes.
Laos
+856
191
Countries in directory
LAOS INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How Laos phone numbers are structured
Numbering Format
COUNTRY
+856
AREA
XX
LOCAL
XXXXXXX
Under country code +856, Laos numbers follow an open plan built from a 2-digit area or mobile prefix and a 7-digit subscriber line — 9 digits in all. A domestic "0" typically precedes the prefix, but that digit is dropped when dialing Laos internationally.
Carriers & language
3 major networks cover Laos (Lao Telecom, Unitel, ETL), against 62% internet penetration. VoIP is restricted and Ministry of Information, Culture and Tourism (MICT) / Ministry of Technology and Communications licenses only approved operators. Because Lao is the primary language and LAK the local currency, both should inform IVR scripts, SMS content, and support hours.
Asia context
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates.
Skipping the exit code
Reaching Laos from the US requires the 011 exit code ahead of +856 — skip it and the call won't connect.
Keeping the national trunk "0"
If a Laos number is written with a leading 0 for domestic use, omit that 0 after the +856 country code when calling from abroad.
Ignoring the time difference
UTC+7 governs local business hours in Laos; confirm the time there before placing the call.
Using non-compliant routes
Ministry of Information, Culture and Tourism (MICT) / Ministry of Technology and Communications restricts VoIP into Laos — unlicensed grey routes get blocked or dropped, so compliant termination is the only reliable path.
Compliance, carriers & rates for Laos
Restricted — MICT licensed only
Regulated by Ministry of Information, Culture and Tourism (MICT) / Ministry of Technology and Communications
Laos's VoIP rules under Ministry of Information, Culture and Tourism (MICT) / Ministry of Technology and Communications favor licensed operators over open termination — Twiching routes accordingly, rather than risking call quality on grey-market paths.
- VoIP services are tightly controlled and require government-issued licenses.
- Unauthorized VoIP bypass using SIM boxes is illegal and actively monitored.
- Internet and VoIP content is subject to government monitoring under Lao cybercrime law.
Direct Tier-1 interconnect with Lao Telecom — no wholesale transit in between.
US → Laos
$0.030/min
Laos → US
$0.035/min
Billed per second, not rounded to the minute
How businesses use a Laos number
Vientiane-recognisable numbers
Callers in Vientiane and across Laos see a familiar +856 prefix rather than a number they don't recognise and won't pick up.
Asia outbound & support
Run sales and support lines into Laos over Tier-1 routes that interconnect with networks like Lao Telecom.
Time-zone-aware routing
Calls into Laos route to whichever team is on shift for UTC+7, instead of ringing a desk that's already gone home.
No local carrier contract needed
Entering Laos over SIP trunking skips the local carrier contract entirely — the number is provisioned and billed the same way as every other Twiching market.
FAQ
Calling Laos — frequently asked questions
Yes — Ministry of Information, Culture and Tourism (MICT) / Ministry of Technology and Communications only licenses approved operators in Laos, so unlicensed routes risk being blocked or dropped mid-call. Twiching terminates strictly over compliant, licensed paths to avoid that risk.
Over Tier-1 direct interconnects with major local networks like Lao Telecom, rather than lower-quality wholesale transit routes. That direct-carrier approach is what keeps delivery rates and call clarity high.
The major networks in Laos are Lao Telecom, Unitel, ETL. Twiching interconnects with Tier-1 carriers for direct delivery to these networks, rather than routing through cheaper wholesale transit that can degrade call quality.
The US exit code is 011 for any international call, including to Laos. It comes right before the +856 country code, and Twiching adds both automatically when you dial from the app, so you only need to enter the local number.
Yes — Laos numbers often carry a domestic leading 0 that should be dropped once you've dialed the +856 country code from abroad. Keeping that 0 in is one of the most common reasons an international call to Laos fails to connect.
Vientiane is the capital of Laos. A local +856 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.
Full country code directory
Laos is one of several Asia markets Twiching covers — browse the rest of the directory below to compare dial codes, VoIP rules, and rates across the region. All 190 other countries are listed below, Asia first.
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