India • NPA 11
☎️ Central Office Exchange (NXX)
+91 (11) 317 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (11) 317. Central office block assigned to New Delhi, India.
Standard Subscriber Format
+91 (11) 317-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
11
Primary Location
New Delhi
Service Type
Landline
📋 Central Office Exchange 317 Routing Details
The 317 exchange code (central office prefix) operates within the 11 Numbering Plan Area (NPA) servicing New Delhi, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (11) 317 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
011 317-1234or local national format. -
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International Calls: Dial
+91 11 317-1234from outside India. -
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E.164 Standard:
+9111317XXXX
📞 Nearby Exchanges in Area Code 11
View All Area Code 11 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (11) 317?
Phone numbers starting with +91 (11) 317 belong to the 11 area code in New Delhi, India, routed via exchange block 317.
How do I call a 317 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 11, and the subscriber number.
Which provider operates the 317 prefix in New Delhi?
Telecom services for the 317 exchange block in New Delhi are primarily assigned to Local Network Carrier for Landline connections.