Sweden • NPA 31
☎️ Central Office Exchange (NXX)
+46 (31) 356 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +46 (31) 356. Central office block assigned to Gothenburg, Sweden.
Standard Subscriber Format
+46 (31) 356-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
31
Primary Location
Gothenburg
Service Type
Landline
📋 Central Office Exchange 356 Routing Details
The 356 exchange code (central office prefix) operates within the 31 Numbering Plan Area (NPA) servicing Gothenburg, Sweden. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +46 (31) 356 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
031 356-1234or local national format. -
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International Calls: Dial
+46 31 356-1234from outside Sweden. -
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E.164 Standard:
+4631356XXXX
📞 Nearby Exchanges in Area Code 31
View All Area Code 31 Exchanges ›❓ Frequently Asked Questions
What area code is +46 (31) 356?
Phone numbers starting with +46 (31) 356 belong to the 31 area code in Gothenburg, Sweden, routed via exchange block 356.
How do I call a 356 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 31, and the subscriber number.
Which provider operates the 356 prefix in Gothenburg?
Telecom services for the 356 exchange block in Gothenburg are primarily assigned to Local Network Carrier for Landline connections.