Germany • NPA 3321
☎️ Central Office Exchange (NXX)
+49 (3321) 645 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +49 (3321) 645. Central office block assigned to Nauen Brandenburg, Germany.
Standard Subscriber Format
+49 (3321) 645-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
3321
Primary Location
Nauen Brandenburg
Service Type
Landline
📋 Central Office Exchange 645 Routing Details
The 645 exchange code (central office prefix) operates within the 3321 Numbering Plan Area (NPA) servicing Nauen Brandenburg, Germany. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +49 (3321) 645 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
03321 645-1234or local national format. -
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International Calls: Dial
+49 3321 645-1234from outside Germany. -
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E.164 Standard:
+493321645XXXX
📞 Nearby Exchanges in Area Code 3321
View All Area Code 3321 Exchanges ›❓ Frequently Asked Questions
What area code is +49 (3321) 645?
Phone numbers starting with +49 (3321) 645 belong to the 3321 area code in Nauen Brandenburg, Germany, routed via exchange block 645.
How do I call a 645 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 3321, and the subscriber number.
Which provider operates the 645 prefix in Nauen Brandenburg?
Telecom services for the 645 exchange block in Nauen Brandenburg are primarily assigned to Local Network Carrier for Landline connections.