Austria • NPA 4255
☎️ Central Office Exchange (NXX)
+43 (4255) 617 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (4255) 617. Central office block assigned to Arnoldstein, Austria.
Standard Subscriber Format
+43 (4255) 617-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
4255
Primary Location
Arnoldstein
Service Type
Landline
📋 Central Office Exchange 617 Routing Details
The 617 exchange code (central office prefix) operates within the 4255 Numbering Plan Area (NPA) servicing Arnoldstein, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (4255) 617 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
04255 617-1234or local national format. -
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International Calls: Dial
+43 4255 617-1234from outside Austria. -
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E.164 Standard:
+434255617XXXX
📞 Nearby Exchanges in Area Code 4255
View All Area Code 4255 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (4255) 617?
Phone numbers starting with +43 (4255) 617 belong to the 4255 area code in Arnoldstein, Austria, routed via exchange block 617.
How do I call a 617 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 4255, and the subscriber number.
Which provider operates the 617 prefix in Arnoldstein?
Telecom services for the 617 exchange block in Arnoldstein are primarily assigned to Local Network Carrier for Landline connections.