China • NPA 550
☎️ Central Office Exchange (NXX)
+86 (550) 686 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (550) 686. Central office block assigned to Chuzhou, Anhui, China.
Standard Subscriber Format
+86 (550) 686-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
550
Primary Location
Chuzhou, Anhui
Service Type
Landline
📋 Central Office Exchange 686 Routing Details
The 686 exchange code (central office prefix) operates within the 550 Numbering Plan Area (NPA) servicing Chuzhou, Anhui, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (550) 686 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
0550 686-1234or local national format. -
•
International Calls: Dial
+86 550 686-1234from outside China. -
•
E.164 Standard:
+86550686XXXX
📞 Nearby Exchanges in Area Code 550
View All Area Code 550 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (550) 686?
Phone numbers starting with +86 (550) 686 belong to the 550 area code in Chuzhou, Anhui, China, routed via exchange block 686.
How do I call a 686 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 550, and the subscriber number.
Which provider operates the 686 prefix in Chuzhou, Anhui?
Telecom services for the 686 exchange block in Chuzhou, Anhui are primarily assigned to Local Network Carrier for Landline connections.