Serbia country code, +381 explained.
Everything you need to call Serbia with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Serbia
Belgrade · Europe
· COUNTRY INFO · VERIFIED
ISO Alpha-2
RS
Capital
Belgrade
Region
Europe
Timezone
UTC+1
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +381 · XX · XXXXXXX
How Serbia numbers break down
A complete number to Serbia 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 Serbia.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +381 · XX · XXXXXXX
Serbia on the map
Belgrade · Europe
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
Serbia virtual phone numbers, built for business
A Serbia virtual number from Twiching plugs into SIP trunking, so an existing phone system can dial out with local +381 presence without swapping hardware or carriers.
Local +381 caller ID
Calls display a recognisable Serbia 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.
+381
Serbia · ready to provision today
Tier-1 delivery into Serbia, end to end
Direct interconnects with Telekom Srbija and the wider Serbia network mean calls skip lower-tier wholesale transit entirely, on every call, not just high-volume routes.
Serbia
+381
191
Countries in directory
SERBIA INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How Serbia phone numbers are structured
Numbering Format
COUNTRY
+381
AREA
XX
LOCAL
XXXXXXX
Under country code +381, Serbia 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 Serbia internationally.
Carriers & language
3 major networks cover Serbia (Telekom Srbija, MTEL Serbia, Yettel Serbia), against 84% internet penetration. VoIP is permitted and regulated by RATEL (Regulatory Agency for Electronic Communications and Postal Services). Because Serbian is the primary language and RSD the local currency, both should inform IVR scripts, SMS content, and support 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
Reaching Serbia from the US requires the 011 exit code ahead of +381 — skip it and the call won't connect.
Keeping the national trunk "0"
That leading 0 on a Serbia number is for domestic calls only; leave it out when dialing in after +381.
Ignoring the time difference
Serbia runs on UTC+1. Check local hours before dialing so calls don't land outside business time.
Compliance, carriers & rates for Serbia
Permitted — RATEL regulated
Regulated by RATEL (Regulatory Agency for Electronic Communications and Postal Services)
VoIP is openly regulated in Serbia under RATEL (Regulatory Agency for Electronic Communications and Postal Services), so there's no licensing hurdle to clear before routing calls or SMS through a compliant provider like Twiching.
- VoIP operators must obtain a licence from RATEL under the Law on Electronic Communications.
- Lawful interception and data retention are mandatory for all licensed VoIP providers in Serbia.
- Number portability is enforced by RATEL to ensure fair competition between operators.
Direct Tier-1 interconnect with Telekom Srbija — no wholesale transit in between.
US → Serbia
$0.018/min
Serbia → US
$0.013/min
Billed per second, not rounded to the minute
How businesses use a Serbia number
Belgrade-recognisable numbers
Callers in Belgrade and across Serbia see a familiar +381 prefix rather than a number they don't recognise and won't pick up.
Europe outbound & support
Run sales and support lines into Serbia over Tier-1 routes that interconnect with networks like Telekom Srbija.
Time-zone-aware routing
Calls into Serbia route to whichever team is on shift for UTC+1, instead of ringing a desk that's already gone home.
No local carrier contract needed
Entering Serbia 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 Serbia — frequently asked questions
Serbia's local currency is RSD, which is worth factoring into any pricing or invoicing shown to customers there. Twiching's own per-minute rates to and from Serbia are quoted in USD regardless of the local currency.
Yes — since Serbia runs on UTC+1, calls can be routed to the right team based on local business hours there. That's especially useful for support or sales teams covering multiple countries across different time zones from one platform.
Yes, where locally supported — a single Twiching Serbia number can handle both voice calls and SMS. That avoids the overhead of provisioning and managing two separate numbers for one customer-facing line.
Yes. VoIP is permitted in Serbia, regulated by RATEL (Regulatory Agency for Electronic Communications and Postal Services), so businesses can run cloud numbers and SIP termination on compliant routes. There's no special licensing hurdle for a Twiching customer to clear before calling or texting into Serbia.
No license restriction beyond standard regulation — RATEL (Regulatory Agency for Electronic Communications and Postal Services) permits VoIP in Serbia for compliant operators. That keeps setup straightforward for a Twiching customer looking to call or text into the country.
Over Tier-1 direct interconnects with major local networks like Telekom Srbija, rather than lower-quality wholesale transit routes. That direct-carrier approach is what keeps delivery rates and call clarity high.
Full country code directory
Serbia is one of several Europe 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, Europe first.
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Compliance with applicable regulations required.