Sweden • NPA 150
☎️ Central Office Exchange (NXX)
+46 (150) 578 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +46 (150) 578. Central office block assigned to Katrineholm, Sweden.
Standard Subscriber Format
+46 (150) 578-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
150
Primary Location
Katrineholm
Service Type
Landline
📋 Central Office Exchange 578 Routing Details
The 578 exchange code (central office prefix) operates within the 150 Numbering Plan Area (NPA) servicing Katrineholm, Sweden. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +46 (150) 578 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
0150 578-1234or local national format. -
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International Calls: Dial
+46 150 578-1234from outside Sweden. -
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E.164 Standard:
+46150578XXXX
📞 Nearby Exchanges in Area Code 150
View All Area Code 150 Exchanges ›❓ Frequently Asked Questions
What area code is +46 (150) 578?
Phone numbers starting with +46 (150) 578 belong to the 150 area code in Katrineholm, Sweden, routed via exchange block 578.
How do I call a 578 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +46, then 150, and the subscriber number.
Which provider operates the 578 prefix in Katrineholm?
Telecom services for the 578 exchange block in Katrineholm are primarily assigned to Local Network Carrier for Landline connections.