Austria • NPA 3687
☎️ Central Office Exchange (NXX)
+43 (3687) 231 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +43 (3687) 231. Central office block assigned to Schladming, Austria.
Standard Subscriber Format
+43 (3687) 231-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
3687
Primary Location
Schladming
Service Type
Landline
📋 Central Office Exchange 231 Routing Details
The 231 exchange code (central office prefix) operates within the 3687 Numbering Plan Area (NPA) servicing Schladming, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +43 (3687) 231 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
03687 231-1234or local national format. -
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International Calls: Dial
+43 3687 231-1234from outside Austria. -
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E.164 Standard:
+433687231XXXX
📞 Nearby Exchanges in Area Code 3687
View All Area Code 3687 Exchanges ›❓ Frequently Asked Questions
What area code is +43 (3687) 231?
Phone numbers starting with +43 (3687) 231 belong to the 3687 area code in Schladming, Austria, routed via exchange block 231.
How do I call a 231 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 3687, and the subscriber number.
Which provider operates the 231 prefix in Schladming?
Telecom services for the 231 exchange block in Schladming are primarily assigned to Local Network Carrier for Landline connections.