China • NPA 770
☎️ Central Office Exchange (NXX)
+86 (770) 993 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (770) 993. Central office block assigned to Fangchenggang, Guangxi, China.
Standard Subscriber Format
+86 (770) 993-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
770
Primary Location
Fangchenggang, Guangxi
Service Type
Landline
📋 Central Office Exchange 993 Routing Details
The 993 exchange code (central office prefix) operates within the 770 Numbering Plan Area (NPA) servicing Fangchenggang, Guangxi, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (770) 993 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
0770 993-1234or local national format. -
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International Calls: Dial
+86 770 993-1234from outside China. -
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E.164 Standard:
+86770993XXXX
📞 Nearby Exchanges in Area Code 770
View All Area Code 770 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (770) 993?
Phone numbers starting with +86 (770) 993 belong to the 770 area code in Fangchenggang, Guangxi, China, routed via exchange block 993.
How do I call a 993 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 770, and the subscriber number.
Which provider operates the 993 prefix in Fangchenggang, Guangxi?
Telecom services for the 993 exchange block in Fangchenggang, Guangxi are primarily assigned to Local Network Carrier for Landline connections.