Slovakia • NPA 33
☎️ Central Office Exchange (NXX)
+421 (33) 389 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +421 (33) 389. Central office block assigned to Trnava, Slovakia.
Standard Subscriber Format
+421 (33) 389-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
33
Primary Location
Trnava
Service Type
Landline
📋 Central Office Exchange 389 Routing Details
The 389 exchange code (central office prefix) operates within the 33 Numbering Plan Area (NPA) servicing Trnava, Slovakia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +421 (33) 389 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
033 389-1234or local national format. -
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International Calls: Dial
+421 33 389-1234from outside Slovakia. -
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E.164 Standard:
+42133389XXXX
📞 Nearby Exchanges in Area Code 33
View All Area Code 33 Exchanges ›❓ Frequently Asked Questions
What area code is +421 (33) 389?
Phone numbers starting with +421 (33) 389 belong to the 33 area code in Trnava, Slovakia, routed via exchange block 389.
How do I call a 389 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +421, then 33, and the subscriber number.
Which provider operates the 389 prefix in Trnava?
Telecom services for the 389 exchange block in Trnava are primarily assigned to Local Network Carrier for Landline connections.