Sweden • NPA 503
☎️ Central Office Exchange (NXX)
+46 (503) 504 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +46 (503) 504. Central office block assigned to Hjo, Sweden.
Standard Subscriber Format
+46 (503) 504-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
503
Primary Location
Hjo
Service Type
Landline
📋 Central Office Exchange 504 Routing Details
The 504 exchange code (central office prefix) operates within the 503 Numbering Plan Area (NPA) servicing Hjo, Sweden. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +46 (503) 504 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
0503 504-1234or local national format. -
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International Calls: Dial
+46 503 504-1234from outside Sweden. -
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E.164 Standard:
+46503504XXXX
📞 Nearby Exchanges in Area Code 503
View All Area Code 503 Exchanges ›❓ Frequently Asked Questions
What area code is +46 (503) 504?
Phone numbers starting with +46 (503) 504 belong to the 503 area code in Hjo, Sweden, routed via exchange block 504.
How do I call a 504 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 503, and the subscriber number.
Which provider operates the 504 prefix in Hjo?
Telecom services for the 504 exchange block in Hjo are primarily assigned to Local Network Carrier for Landline connections.