Austria • NPA 2256
☎️ Central Office Exchange (NXX)
+43 (2256) 623 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (2256) 623. Central office block assigned to Leobersdorf, Austria.
Standard Subscriber Format
+43 (2256) 623-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
2256
Primary Location
Leobersdorf
Service Type
Landline
📋 Central Office Exchange 623 Routing Details
The 623 exchange code (central office prefix) operates within the 2256 Numbering Plan Area (NPA) servicing Leobersdorf, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (2256) 623 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
02256 623-1234or local national format. -
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International Calls: Dial
+43 2256 623-1234from outside Austria. -
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E.164 Standard:
+432256623XXXX
📞 Nearby Exchanges in Area Code 2256
View All Area Code 2256 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (2256) 623?
Phone numbers starting with +43 (2256) 623 belong to the 2256 area code in Leobersdorf, Austria, routed via exchange block 623.
How do I call a 623 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 2256, and the subscriber number.
Which provider operates the 623 prefix in Leobersdorf?
Telecom services for the 623 exchange block in Leobersdorf are primarily assigned to Local Network Carrier for Landline connections.