China • NPA 550
☎️ Central Office Exchange (NXX)
+86 (550) 730 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (550) 730. Central office block assigned to Chuzhou, Anhui, China.
Standard Subscriber Format
+86 (550) 730-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
550
Primary Location
Chuzhou, Anhui
Service Type
Landline
📋 Central Office Exchange 730 Routing Details
The 730 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) 730 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
0550 730-1234or local national format. -
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International Calls: Dial
+86 550 730-1234from outside China. -
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E.164 Standard:
+86550730XXXX
📞 Nearby Exchanges in Area Code 550
View All Area Code 550 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (550) 730?
Phone numbers starting with +86 (550) 730 belong to the 550 area code in Chuzhou, Anhui, China, routed via exchange block 730.
How do I call a 730 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 730 prefix in Chuzhou, Anhui?
Telecom services for the 730 exchange block in Chuzhou, Anhui are primarily assigned to Local Network Carrier for Landline connections.