India • NPA 177
☎️ Central Office Exchange (NXX)
+91 (177) 635 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (177) 635. Central office block assigned to Shimla, Himachal Pradesh, India.
Standard Subscriber Format
+91 (177) 635-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
177
Primary Location
Shimla, Himachal Pradesh
Service Type
Landline
📋 Central Office Exchange 635 Routing Details
The 635 exchange code (central office prefix) operates within the 177 Numbering Plan Area (NPA) servicing Shimla, Himachal Pradesh, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (177) 635 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
0177 635-1234or local national format. -
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International Calls: Dial
+91 177 635-1234from outside India. -
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E.164 Standard:
+91177635XXXX
📞 Nearby Exchanges in Area Code 177
View All Area Code 177 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (177) 635?
Phone numbers starting with +91 (177) 635 belong to the 177 area code in Shimla, Himachal Pradesh, India, routed via exchange block 635.
How do I call a 635 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 177, and the subscriber number.
Which provider operates the 635 prefix in Shimla, Himachal Pradesh?
Telecom services for the 635 exchange block in Shimla, Himachal Pradesh are primarily assigned to Local Network Carrier for Landline connections.