Austria • NPA 3116
☎️ Central Office Exchange (NXX)
+43 (3116) 643 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (3116) 643. Central office block assigned to Kirchbach in Steiermark, Austria.
Standard Subscriber Format
+43 (3116) 643-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
3116
Primary Location
Kirchbach in Steiermark
Service Type
Landline
📋 Central Office Exchange 643 Routing Details
The 643 exchange code (central office prefix) operates within the 3116 Numbering Plan Area (NPA) servicing Kirchbach in Steiermark, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (3116) 643 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
03116 643-1234or local national format. -
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International Calls: Dial
+43 3116 643-1234from outside Austria. -
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E.164 Standard:
+433116643XXXX
📞 Nearby Exchanges in Area Code 3116
View All Area Code 3116 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (3116) 643?
Phone numbers starting with +43 (3116) 643 belong to the 3116 area code in Kirchbach in Steiermark, Austria, routed via exchange block 643.
How do I call a 643 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 3116, and the subscriber number.
Which provider operates the 643 prefix in Kirchbach in Steiermark?
Telecom services for the 643 exchange block in Kirchbach in Steiermark are primarily assigned to Local Network Carrier for Landline connections.