Serbia • NPA 11
☎️ Central Office Exchange (NXX)
+381 (11) 204 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +381 (11) 204. Central office block assigned to Belgrade, Serbia.
Standard Subscriber Format
+381 (11) 204-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
11
Primary Location
Belgrade
Service Type
Landline
📋 Central Office Exchange 204 Routing Details
The 204 exchange code (central office prefix) operates within the 11 Numbering Plan Area (NPA) servicing Belgrade, Serbia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +381 (11) 204 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
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Domestic Calls: Dial
011 204-1234or local national format. -
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International Calls: Dial
+381 11 204-1234from outside Serbia. -
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E.164 Standard:
+38111204XXXX
📞 Nearby Exchanges in Area Code 11
View All Area Code 11 Exchanges ›❓ Frequently Asked Questions
What area code is +381 (11) 204?
Phone numbers starting with +381 (11) 204 belong to the 11 area code in Belgrade, Serbia, routed via exchange block 204.
How do I call a 204 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +381, then 11, and the subscriber number.
Which provider operates the 204 prefix in Belgrade?
Telecom services for the 204 exchange block in Belgrade are primarily assigned to Local Network Carrier for Landline connections.