China • NPA 479
☎️ Central Office Exchange (NXX)
+86 (479) 668 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (479) 668. Central office block assigned to Xilinhaote, Inner Mongolia, China.
Standard Subscriber Format
+86 (479) 668-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
479
Primary Location
Xilinhaote, Inner Mongolia
Service Type
Landline
📋 Central Office Exchange 668 Routing Details
The 668 exchange code (central office prefix) operates within the 479 Numbering Plan Area (NPA) servicing Xilinhaote, Inner Mongolia, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (479) 668 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
0479 668-1234or local national format. -
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International Calls: Dial
+86 479 668-1234from outside China. -
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E.164 Standard:
+86479668XXXX
📞 Nearby Exchanges in Area Code 479
View All Area Code 479 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (479) 668?
Phone numbers starting with +86 (479) 668 belong to the 479 area code in Xilinhaote, Inner Mongolia, China, routed via exchange block 668.
How do I call a 668 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +86, then 479, and the subscriber number.
Which provider operates the 668 prefix in Xilinhaote, Inner Mongolia?
Telecom services for the 668 exchange block in Xilinhaote, Inner Mongolia are primarily assigned to Local Network Carrier for Landline connections.