China • NPA 475
☎️ Central Office Exchange (NXX)
+86 (475) 773 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (475) 773. Central office block assigned to Tongliao, Inner Mongolia, China.
Standard Subscriber Format
+86 (475) 773-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
475
Primary Location
Tongliao, Inner Mongolia
Service Type
Landline
📋 Central Office Exchange 773 Routing Details
The 773 exchange code (central office prefix) operates within the 475 Numbering Plan Area (NPA) servicing Tongliao, Inner Mongolia, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (475) 773 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
0475 773-1234or local national format. -
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International Calls: Dial
+86 475 773-1234from outside China. -
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E.164 Standard:
+86475773XXXX
📞 Nearby Exchanges in Area Code 475
View All Area Code 475 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (475) 773?
Phone numbers starting with +86 (475) 773 belong to the 475 area code in Tongliao, Inner Mongolia, China, routed via exchange block 773.
How do I call a 773 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 475, and the subscriber number.
Which provider operates the 773 prefix in Tongliao, Inner Mongolia?
Telecom services for the 773 exchange block in Tongliao, Inner Mongolia are primarily assigned to Local Network Carrier for Landline connections.