Germany • NPA 9921
☎️ Central Office Exchange (NXX)
+49 (9921) 424 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +49 (9921) 424. Central office block assigned to Regen, Germany.
Standard Subscriber Format
+49 (9921) 424-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
9921
Primary Location
Regen
Service Type
Landline
📋 Central Office Exchange 424 Routing Details
The 424 exchange code (central office prefix) operates within the 9921 Numbering Plan Area (NPA) servicing Regen, Germany. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +49 (9921) 424 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
09921 424-1234or local national format. -
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International Calls: Dial
+49 9921 424-1234from outside Germany. -
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E.164 Standard:
+499921424XXXX
📞 Nearby Exchanges in Area Code 9921
View All Area Code 9921 Exchanges ›❓ Frequently Asked Questions
What area code is +49 (9921) 424?
Phone numbers starting with +49 (9921) 424 belong to the 9921 area code in Regen, Germany, routed via exchange block 424.
How do I call a 424 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +49, then 9921, and the subscriber number.
Which provider operates the 424 prefix in Regen?
Telecom services for the 424 exchange block in Regen are primarily assigned to Local Network Carrier for Landline connections.