China • NPA 837
☎️ Central Office Exchange (NXX)
+86 (837) 770 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +86 (837) 770. Central office block assigned to MaErkang, Sichuan, China.
Standard Subscriber Format
+86 (837) 770-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
837
Primary Location
MaErkang, Sichuan
Service Type
Landline
📋 Central Office Exchange 770 Routing Details
The 770 exchange code (central office prefix) operates within the 837 Numbering Plan Area (NPA) servicing MaErkang, Sichuan, China. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +86 (837) 770 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
0837 770-1234or local national format. -
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International Calls: Dial
+86 837 770-1234from outside China. -
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E.164 Standard:
+86837770XXXX
📞 Nearby Exchanges in Area Code 837
View All Area Code 837 Exchanges ›❓ Frequently Asked Questions
What area code is +86 (837) 770?
Phone numbers starting with +86 (837) 770 belong to the 837 area code in MaErkang, Sichuan, China, routed via exchange block 770.
How do I call a 770 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 837, and the subscriber number.
Which provider operates the 770 prefix in MaErkang, Sichuan?
Telecom services for the 770 exchange block in MaErkang, Sichuan are primarily assigned to Local Network Carrier for Landline connections.