Slovakia • NPA 33
☎️ Central Office Exchange (NXX)
+421 (33) 804 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +421 (33) 804. Central office block assigned to Trnava, Slovakia.
Standard Subscriber Format
+421 (33) 804-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
33
Primary Location
Trnava
Service Type
Landline
📋 Central Office Exchange 804 Routing Details
The 804 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) 804 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
033 804-1234or local national format. -
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International Calls: Dial
+421 33 804-1234from outside Slovakia. -
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E.164 Standard:
+42133804XXXX
📞 Nearby Exchanges in Area Code 33
View All Area Code 33 Exchanges ›❓ Frequently Asked Questions
What area code is +421 (33) 804?
Phone numbers starting with +421 (33) 804 belong to the 33 area code in Trnava, Slovakia, routed via exchange block 804.
How do I call a 804 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 804 prefix in Trnava?
Telecom services for the 804 exchange block in Trnava are primarily assigned to Local Network Carrier for Landline connections.