Norway • NPA 233
☎️ Central Office Exchange (NXX)
+47 (233) 652 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +47 (233) 652. Central office block assigned to Oslo, Norway.
Standard Subscriber Format
+47 (233) 652-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
233
Primary Location
Oslo
Service Type
Landline
📋 Central Office Exchange 652 Routing Details
The 652 exchange code (central office prefix) operates within the 233 Numbering Plan Area (NPA) servicing Oslo, Norway. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +47 (233) 652 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
0233 652-1234or local national format. -
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International Calls: Dial
+47 233 652-1234from outside Norway. -
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E.164 Standard:
+47233652XXXX
📞 Nearby Exchanges in Area Code 233
View All Area Code 233 Exchanges ›❓ Frequently Asked Questions
What area code is +47 (233) 652?
Phone numbers starting with +47 (233) 652 belong to the 233 area code in Oslo, Norway, routed via exchange block 652.
How do I call a 652 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +47, then 233, and the subscriber number.
Which provider operates the 652 prefix in Oslo?
Telecom services for the 652 exchange block in Oslo are primarily assigned to Local Network Carrier for Landline connections.