Serbia • NPA 21
☎️ Central Office Exchange (NXX)
+381 (21) 408 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +381 (21) 408. Central office block assigned to Novi Sad, Serbia.
Standard Subscriber Format
+381 (21) 408-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
21
Primary Location
Novi Sad
Service Type
Landline
📋 Central Office Exchange 408 Routing Details
The 408 exchange code (central office prefix) operates within the 21 Numbering Plan Area (NPA) servicing Novi Sad, Serbia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +381 (21) 408 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
021 408-1234or local national format. -
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International Calls: Dial
+381 21 408-1234from outside Serbia. -
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E.164 Standard:
+38121408XXXX
📞 Nearby Exchanges in Area Code 21
View All Area Code 21 Exchanges ›❓ Frequently Asked Questions
What area code is +381 (21) 408?
Phone numbers starting with +381 (21) 408 belong to the 21 area code in Novi Sad, Serbia, routed via exchange block 408.
How do I call a 408 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 21, and the subscriber number.
Which provider operates the 408 prefix in Novi Sad?
Telecom services for the 408 exchange block in Novi Sad are primarily assigned to Local Network Carrier for Landline connections.