India • NPA 120
☎️ Central Office Exchange (NXX)
+91 (120) 310 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (120) 310. Central office block assigned to Ghaziabad/Dadri, Uttar Pradesh, India.
Standard Subscriber Format
+91 (120) 310-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
120
Primary Location
Ghaziabad/Dadri, Uttar Pradesh
Service Type
Landline
📋 Central Office Exchange 310 Routing Details
The 310 exchange code (central office prefix) operates within the 120 Numbering Plan Area (NPA) servicing Ghaziabad/Dadri, Uttar Pradesh, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (120) 310 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
0120 310-1234or local national format. -
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International Calls: Dial
+91 120 310-1234from outside India. -
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E.164 Standard:
+91120310XXXX
📞 Nearby Exchanges in Area Code 120
View All Area Code 120 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (120) 310?
Phone numbers starting with +91 (120) 310 belong to the 120 area code in Ghaziabad/Dadri, Uttar Pradesh, India, routed via exchange block 310.
How do I call a 310 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +91, then 120, and the subscriber number.
Which provider operates the 310 prefix in Ghaziabad/Dadri, Uttar Pradesh?
Telecom services for the 310 exchange block in Ghaziabad/Dadri, Uttar Pradesh are primarily assigned to Local Network Carrier for Landline connections.