China • NPA 18017
☎️ Central Office Exchange (NXX)
+86 (18017) 239 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (18017) 239. Central office block assigned to Shanghai, China.
Standard Subscriber Format
+86 (18017) 239-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
18017
Primary Location
Shanghai
Service Type
Landline
📋 Central Office Exchange 239 Routing Details
The 239 exchange code (central office prefix) operates within the 18017 Numbering Plan Area (NPA) servicing Shanghai, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (18017) 239 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
018017 239-1234or local national format. -
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International Calls: Dial
+86 18017 239-1234from outside China. -
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E.164 Standard:
+8618017239XXXX
📞 Nearby Exchanges in Area Code 18017
View All Area Code 18017 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (18017) 239?
Phone numbers starting with +86 (18017) 239 belong to the 18017 area code in Shanghai, China, routed via exchange block 239.
How do I call a 239 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 18017, and the subscriber number.
Which provider operates the 239 prefix in Shanghai?
Telecom services for the 239 exchange block in Shanghai are primarily assigned to Local Network Carrier for Landline connections.