Austria • NPA 4231
☎️ Central Office Exchange (NXX)
+43 (4231) 899 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (4231) 899. Central office block assigned to Mittertrixen, Austria.
Standard Subscriber Format
+43 (4231) 899-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
4231
Primary Location
Mittertrixen
Service Type
Landline
📋 Central Office Exchange 899 Routing Details
The 899 exchange code (central office prefix) operates within the 4231 Numbering Plan Area (NPA) servicing Mittertrixen, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (4231) 899 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
04231 899-1234or local national format. -
•
International Calls: Dial
+43 4231 899-1234from outside Austria. -
•
E.164 Standard:
+434231899XXXX
📞 Nearby Exchanges in Area Code 4231
View All Area Code 4231 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (4231) 899?
Phone numbers starting with +43 (4231) 899 belong to the 4231 area code in Mittertrixen, Austria, routed via exchange block 899.
How do I call a 899 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 4231, and the subscriber number.
Which provider operates the 899 prefix in Mittertrixen?
Telecom services for the 899 exchange block in Mittertrixen are primarily assigned to Local Network Carrier for Landline connections.