China • NPA 877
☎️ Central Office Exchange (NXX)
+86 (877) 544 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (877) 544. Central office block assigned to Yuxi, Yunnan, China.
Standard Subscriber Format
+86 (877) 544-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
877
Primary Location
Yuxi, Yunnan
Service Type
Landline
📋 Central Office Exchange 544 Routing Details
The 544 exchange code (central office prefix) operates within the 877 Numbering Plan Area (NPA) servicing Yuxi, Yunnan, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (877) 544 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
0877 544-1234or local national format. -
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International Calls: Dial
+86 877 544-1234from outside China. -
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E.164 Standard:
+86877544XXXX
📞 Nearby Exchanges in Area Code 877
View All Area Code 877 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (877) 544?
Phone numbers starting with +86 (877) 544 belong to the 877 area code in Yuxi, Yunnan, China, routed via exchange block 544.
How do I call a 544 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 877, and the subscriber number.
Which provider operates the 544 prefix in Yuxi, Yunnan?
Telecom services for the 544 exchange block in Yuxi, Yunnan are primarily assigned to Local Network Carrier for Landline connections.