Austria • NPA 14
☎️ Central Office Exchange (NXX)
+43 (14) 537 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (14) 537. Central office block assigned to Vienna, Austria.
Standard Subscriber Format
+43 (14) 537-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
14
Primary Location
Vienna
Service Type
Landline
📋 Central Office Exchange 537 Routing Details
The 537 exchange code (central office prefix) operates within the 14 Numbering Plan Area (NPA) servicing Vienna, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (14) 537 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
014 537-1234or local national format. -
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International Calls: Dial
+43 14 537-1234from outside Austria. -
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E.164 Standard:
+4314537XXXX
📞 Nearby Exchanges in Area Code 14
View All Area Code 14 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (14) 537?
Phone numbers starting with +43 (14) 537 belong to the 14 area code in Vienna, Austria, routed via exchange block 537.
How do I call a 537 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +43, then 14, and the subscriber number.
Which provider operates the 537 prefix in Vienna?
Telecom services for the 537 exchange block in Vienna are primarily assigned to Local Network Carrier for Landline connections.