Austria • NPA 4239 ☎️ Central Office Exchange (NXX)

+43 (4239) 256 Exchange Code

Technical registry directory for telephone subscriber numbers starting with +43 (4239) 256. Central office block assigned to St. Kanzian am Klopeiner See, Austria.

Standard Subscriber Format

+43 (4239) 256-XXXX

Telecom Carrier Local Network Carrier

Area Code (NPA) 4239

Primary Location St. Kanzian am Klopeiner See

Service Type Landline

📋 Central Office Exchange 256 Routing Details

The 256 exchange code (central office prefix) operates within the 4239 Numbering Plan Area (NPA) servicing St. Kanzian am Klopeiner See, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.

Telecommunication services within the +43 (4239) 256 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.

🌐 Dialing Instructions

• Domestic Calls: Dial 04239 256-1234 or local national format.
• International Calls: Dial +43 4239 256-1234 from outside Austria.
• E.164 Standard: +434239256XXXX

📞 Nearby Exchanges in Area Code 4239

View All Area Code 4239 Exchanges ›

(4239) 987 (4239) 907 (4239) 947 (4239) 569 (4239) 709 (4239) 823 (4239) 802 (4239) 351 (4239) 409 (4239) 720 (4239) 904 (4239) 483 (4239) 691 (4239) 559 (4239) 507 (4239) 532

❓ Frequently Asked Questions

What area code is +43 (4239) 256?

Phone numbers starting with +43 (4239) 256 belong to the 4239 area code in St. Kanzian am Klopeiner See, Austria, routed via exchange block 256.

How do I call a 256 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 4239, and the subscriber number.

Which provider operates the 256 prefix in St. Kanzian am Klopeiner See?

Telecom services for the 256 exchange block in St. Kanzian am Klopeiner See are primarily assigned to Local Network Carrier for Landline connections.