China • NPA 778
☎️ Central Office Exchange (NXX)
+86 (778) 803 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (778) 803. Central office block assigned to Hechi, Guangxi, China.
Standard Subscriber Format
+86 (778) 803-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
778
Primary Location
Hechi, Guangxi
Service Type
Landline
📋 Central Office Exchange 803 Routing Details
The 803 exchange code (central office prefix) operates within the 778 Numbering Plan Area (NPA) servicing Hechi, Guangxi, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (778) 803 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
0778 803-1234or local national format. -
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International Calls: Dial
+86 778 803-1234from outside China. -
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E.164 Standard:
+86778803XXXX
📞 Nearby Exchanges in Area Code 778
View All Area Code 778 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (778) 803?
Phone numbers starting with +86 (778) 803 belong to the 778 area code in Hechi, Guangxi, China, routed via exchange block 803.
How do I call a 803 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 778, and the subscriber number.
Which provider operates the 803 prefix in Hechi, Guangxi?
Telecom services for the 803 exchange block in Hechi, Guangxi are primarily assigned to Local Network Carrier for Landline connections.