Sweden • NPA 640
☎️ Central Office Exchange (NXX)
+46 (640) 371 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +46 (640) 371. Central office block assigned to Krokom, Sweden.
Standard Subscriber Format
+46 (640) 371-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
640
Primary Location
Krokom
Service Type
Landline
📋 Central Office Exchange 371 Routing Details
The 371 exchange code (central office prefix) operates within the 640 Numbering Plan Area (NPA) servicing Krokom, Sweden. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +46 (640) 371 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
0640 371-1234or local national format. -
•
International Calls: Dial
+46 640 371-1234from outside Sweden. -
•
E.164 Standard:
+46640371XXXX
📞 Nearby Exchanges in Area Code 640
View All Area Code 640 Exchanges ›❓ Frequently Asked Questions
What area code is +46 (640) 371?
Phone numbers starting with +46 (640) 371 belong to the 640 area code in Krokom, Sweden, routed via exchange block 371.
How do I call a 371 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 640, and the subscriber number.
Which provider operates the 371 prefix in Krokom?
Telecom services for the 371 exchange block in Krokom are primarily assigned to Local Network Carrier for Landline connections.