India • NPA 175
☎️ Central Office Exchange (NXX)
+91 (175) 657 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (175) 657. Central office block assigned to Patiala, Punjab, India.
Standard Subscriber Format
+91 (175) 657-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
175
Primary Location
Patiala, Punjab
Service Type
Landline
📋 Central Office Exchange 657 Routing Details
The 657 exchange code (central office prefix) operates within the 175 Numbering Plan Area (NPA) servicing Patiala, Punjab, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (175) 657 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
0175 657-1234or local national format. -
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International Calls: Dial
+91 175 657-1234from outside India. -
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E.164 Standard:
+91175657XXXX
📞 Nearby Exchanges in Area Code 175
View All Area Code 175 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (175) 657?
Phone numbers starting with +91 (175) 657 belong to the 175 area code in Patiala, Punjab, India, routed via exchange block 657.
How do I call a 657 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 175, and the subscriber number.
Which provider operates the 657 prefix in Patiala, Punjab?
Telecom services for the 657 exchange block in Patiala, Punjab are primarily assigned to Local Network Carrier for Landline connections.