China • NPA 730
☎️ Central Office Exchange (NXX)
+86 (730) 312 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (730) 312. Central office block assigned to Yueyang, Hunan, China.
Standard Subscriber Format
+86 (730) 312-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
730
Primary Location
Yueyang, Hunan
Service Type
Landline
📋 Central Office Exchange 312 Routing Details
The 312 exchange code (central office prefix) operates within the 730 Numbering Plan Area (NPA) servicing Yueyang, Hunan, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (730) 312 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
0730 312-1234or local national format. -
•
International Calls: Dial
+86 730 312-1234from outside China. -
•
E.164 Standard:
+86730312XXXX
📞 Nearby Exchanges in Area Code 730
View All Area Code 730 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (730) 312?
Phone numbers starting with +86 (730) 312 belong to the 730 area code in Yueyang, Hunan, China, routed via exchange block 312.
How do I call a 312 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 730, and the subscriber number.
Which provider operates the 312 prefix in Yueyang, Hunan?
Telecom services for the 312 exchange block in Yueyang, Hunan are primarily assigned to Local Network Carrier for Landline connections.