China • NPA 668
☎️ Central Office Exchange (NXX)
+86 (668) 628 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (668) 628. Central office block assigned to Maoming, Guangdong, China.
Standard Subscriber Format
+86 (668) 628-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
668
Primary Location
Maoming, Guangdong
Service Type
Landline
📋 Central Office Exchange 628 Routing Details
The 628 exchange code (central office prefix) operates within the 668 Numbering Plan Area (NPA) servicing Maoming, Guangdong, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (668) 628 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
0668 628-1234or local national format. -
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International Calls: Dial
+86 668 628-1234from outside China. -
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E.164 Standard:
+86668628XXXX
📞 Nearby Exchanges in Area Code 668
View All Area Code 668 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (668) 628?
Phone numbers starting with +86 (668) 628 belong to the 668 area code in Maoming, Guangdong, China, routed via exchange block 628.
How do I call a 628 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 668, and the subscriber number.
Which provider operates the 628 prefix in Maoming, Guangdong?
Telecom services for the 628 exchange block in Maoming, Guangdong are primarily assigned to Local Network Carrier for Landline connections.