China • NPA 736
☎️ Central Office Exchange (NXX)
+86 (736) 669 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (736) 669. Central office block assigned to Changde, Hunan, China.
Standard Subscriber Format
+86 (736) 669-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
736
Primary Location
Changde, Hunan
Service Type
Landline
📋 Central Office Exchange 669 Routing Details
The 669 exchange code (central office prefix) operates within the 736 Numbering Plan Area (NPA) servicing Changde, Hunan, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (736) 669 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
0736 669-1234or local national format. -
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International Calls: Dial
+86 736 669-1234from outside China. -
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E.164 Standard:
+86736669XXXX
📞 Nearby Exchanges in Area Code 736
View All Area Code 736 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (736) 669?
Phone numbers starting with +86 (736) 669 belong to the 736 area code in Changde, Hunan, China, routed via exchange block 669.
How do I call a 669 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 736, and the subscriber number.
Which provider operates the 669 prefix in Changde, Hunan?
Telecom services for the 669 exchange block in Changde, Hunan are primarily assigned to Local Network Carrier for Landline connections.