Croatia • NPA 1
☎️ Central Office Exchange (NXX)
+385 (1) 523 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +385 (1) 523. Central office block assigned to Zagreb, Croatia.
Standard Subscriber Format
+385 (1) 523-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
1
Primary Location
Zagreb
Service Type
Landline
📋 Central Office Exchange 523 Routing Details
The 523 exchange code (central office prefix) operates within the 1 Numbering Plan Area (NPA) servicing Zagreb, Croatia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +385 (1) 523 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
01 523-1234or local national format. -
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International Calls: Dial
+385 1 523-1234from outside Croatia. -
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E.164 Standard:
+3851523XXXX
📞 Nearby Exchanges in Area Code 1
View All Area Code 1 Exchanges ›❓ Frequently Asked Questions
What area code is +385 (1) 523?
Phone numbers starting with +385 (1) 523 belong to the 1 area code in Zagreb, Croatia, routed via exchange block 523.
How do I call a 523 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 1, and the subscriber number.
Which provider operates the 523 prefix in Zagreb?
Telecom services for the 523 exchange block in Zagreb are primarily assigned to Local Network Carrier for Landline connections.