China • NPA 931
☎️ Central Office Exchange (NXX)
+86 (931) 232 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (931) 232. Central office block assigned to Lanzhou, Gansu, China.
Standard Subscriber Format
+86 (931) 232-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
931
Primary Location
Lanzhou, Gansu
Service Type
Landline
📋 Central Office Exchange 232 Routing Details
The 232 exchange code (central office prefix) operates within the 931 Numbering Plan Area (NPA) servicing Lanzhou, Gansu, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (931) 232 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
0931 232-1234or local national format. -
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International Calls: Dial
+86 931 232-1234from outside China. -
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E.164 Standard:
+86931232XXXX
📞 Nearby Exchanges in Area Code 931
View All Area Code 931 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (931) 232?
Phone numbers starting with +86 (931) 232 belong to the 931 area code in Lanzhou, Gansu, China, routed via exchange block 232.
How do I call a 232 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 931, and the subscriber number.
Which provider operates the 232 prefix in Lanzhou, Gansu?
Telecom services for the 232 exchange block in Lanzhou, Gansu are primarily assigned to Local Network Carrier for Landline connections.