Hungary • NPA 21
☎️ Central Office Exchange (NXX)
+36 (21) 305 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +36 (21) 305. Central office block assigned to Non-Geographical Services, Hungary.
Standard Subscriber Format
+36 (21) 305-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
21
Primary Location
Non-Geographical Services
Service Type
Landline
📋 Central Office Exchange 305 Routing Details
The 305 exchange code (central office prefix) operates within the 21 Numbering Plan Area (NPA) servicing Non-Geographical Services, Hungary. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +36 (21) 305 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
021 305-1234or local national format. -
•
International Calls: Dial
+36 21 305-1234from outside Hungary. -
•
E.164 Standard:
+3621305XXXX
📞 Nearby Exchanges in Area Code 21
View All Area Code 21 Exchanges ›❓ Frequently Asked Questions
What area code is +36 (21) 305?
Phone numbers starting with +36 (21) 305 belong to the 21 area code in Non-Geographical Services, Hungary, routed via exchange block 305.
How do I call a 305 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +36, then 21, and the subscriber number.
Which provider operates the 305 prefix in Non-Geographical Services?
Telecom services for the 305 exchange block in Non-Geographical Services are primarily assigned to Local Network Carrier for Landline connections.