Austria • NPA 16 ☎️ Central Office Exchange (NXX)

+43 (16) 673 Exchange Code

Technical registry directory for telephone subscriber numbers starting with +43 (16) 673. Central office block assigned to Vienna, Austria.

Standard Subscriber Format

+43 (16) 673-XXXX

Telecom Carrier Local Network Carrier

Area Code (NPA) 16

Primary Location Vienna

Service Type Landline

📋 Central Office Exchange 673 Routing Details

The 673 exchange code (central office prefix) operates within the 16 Numbering Plan Area (NPA) servicing Vienna, Austria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.

Telecommunication services within the +43 (16) 673 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.

🌐 Dialing Instructions

• Domestic Calls: Dial 016 673-1234 or local national format.
• International Calls: Dial +43 16 673-1234 from outside Austria.
• E.164 Standard: +4316673XXXX

📞 Nearby Exchanges in Area Code 16

View All Area Code 16 Exchanges ›

(16) 954 (16) 990 (16) 668 (16) 471 (16) 479 (16) 355 (16) 927 (16) 868 (16) 415 (16) 557 (16) 871 (16) 967 (16) 917 (16) 431 (16) 254 (16) 294

❓ Frequently Asked Questions

What area code is +43 (16) 673?

Phone numbers starting with +43 (16) 673 belong to the 16 area code in Vienna, Austria, routed via exchange block 673.

How do I call a 673 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 16, and the subscriber number.

Which provider operates the 673 prefix in Vienna?

Telecom services for the 673 exchange block in Vienna are primarily assigned to Local Network Carrier for Landline connections.