India • NPA 1749
☎️ Central Office Exchange (NXX)
+91 (1749) 577 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (1749) 577. Central office block assigned to Assandh, Haryana, India.
Standard Subscriber Format
+91 (1749) 577-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
1749
Primary Location
Assandh, Haryana
Service Type
Landline
📋 Central Office Exchange 577 Routing Details
The 577 exchange code (central office prefix) operates within the 1749 Numbering Plan Area (NPA) servicing Assandh, Haryana, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (1749) 577 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
01749 577-1234or local national format. -
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International Calls: Dial
+91 1749 577-1234from outside India. -
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E.164 Standard:
+911749577XXXX
📞 Nearby Exchanges in Area Code 1749
View All Area Code 1749 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (1749) 577?
Phone numbers starting with +91 (1749) 577 belong to the 1749 area code in Assandh, Haryana, India, routed via exchange block 577.
How do I call a 577 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 1749, and the subscriber number.
Which provider operates the 577 prefix in Assandh, Haryana?
Telecom services for the 577 exchange block in Assandh, Haryana are primarily assigned to Local Network Carrier for Landline connections.