Sweden • NPA 303
☎️ Central Office Exchange (NXX)
+46 (303) 233 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +46 (303) 233. Central office block assigned to Kungälv, Sweden.
Standard Subscriber Format
+46 (303) 233-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
303
Primary Location
Kungälv
Service Type
Landline
📋 Central Office Exchange 233 Routing Details
The 233 exchange code (central office prefix) operates within the 303 Numbering Plan Area (NPA) servicing Kungälv, Sweden. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +46 (303) 233 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
0303 233-1234or local national format. -
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International Calls: Dial
+46 303 233-1234from outside Sweden. -
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E.164 Standard:
+46303233XXXX
📞 Nearby Exchanges in Area Code 303
View All Area Code 303 Exchanges ›❓ Frequently Asked Questions
What area code is +46 (303) 233?
Phone numbers starting with +46 (303) 233 belong to the 303 area code in Kungälv, Sweden, routed via exchange block 233.
How do I call a 233 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 303, and the subscriber number.
Which provider operates the 233 prefix in Kungälv?
Telecom services for the 233 exchange block in Kungälv are primarily assigned to Local Network Carrier for Landline connections.