Serbia • NPA 280
☎️ Central Office Exchange (NXX)
+381 (280) 550 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +381 (280) 550. Central office block assigned to Gnjilane, Serbia.
Standard Subscriber Format
+381 (280) 550-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
280
Primary Location
Gnjilane
Service Type
Landline
📋 Central Office Exchange 550 Routing Details
The 550 exchange code (central office prefix) operates within the 280 Numbering Plan Area (NPA) servicing Gnjilane, Serbia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +381 (280) 550 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
0280 550-1234or local national format. -
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International Calls: Dial
+381 280 550-1234from outside Serbia. -
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E.164 Standard:
+381280550XXXX
📞 Nearby Exchanges in Area Code 280
View All Area Code 280 Exchanges ›❓ Frequently Asked Questions
What area code is +381 (280) 550?
Phone numbers starting with +381 (280) 550 belong to the 280 area code in Gnjilane, Serbia, routed via exchange block 550.
How do I call a 550 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 280, and the subscriber number.
Which provider operates the 550 prefix in Gnjilane?
Telecom services for the 550 exchange block in Gnjilane are primarily assigned to Local Network Carrier for Landline connections.