Croatia • NPA 31
☎️ Central Office Exchange (NXX)
+385 (31) 563 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +385 (31) 563. Central office block assigned to Osijek-Baranja, Croatia.
Standard Subscriber Format
+385 (31) 563-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
31
Primary Location
Osijek-Baranja
Service Type
Landline
📋 Central Office Exchange 563 Routing Details
The 563 exchange code (central office prefix) operates within the 31 Numbering Plan Area (NPA) servicing Osijek-Baranja, Croatia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +385 (31) 563 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
031 563-1234or local national format. -
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International Calls: Dial
+385 31 563-1234from outside Croatia. -
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E.164 Standard:
+38531563XXXX
📞 Nearby Exchanges in Area Code 31
View All Area Code 31 Exchanges ›❓ Frequently Asked Questions
What area code is +385 (31) 563?
Phone numbers starting with +385 (31) 563 belong to the 31 area code in Osijek-Baranja, Croatia, routed via exchange block 563.
How do I call a 563 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +385, then 31, and the subscriber number.
Which provider operates the 563 prefix in Osijek-Baranja?
Telecom services for the 563 exchange block in Osijek-Baranja are primarily assigned to Local Network Carrier for Landline connections.