India • NPA 122
☎️ Central Office Exchange (NXX)
+91 (122) 581 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +91 (122) 581. Central office block assigned to Hapur, Uttar Pradesh, India.
Standard Subscriber Format
+91 (122) 581-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
122
Primary Location
Hapur, Uttar Pradesh
Service Type
Landline
📋 Central Office Exchange 581 Routing Details
The 581 exchange code (central office prefix) operates within the 122 Numbering Plan Area (NPA) servicing Hapur, Uttar Pradesh, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +91 (122) 581 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
0122 581-1234or local national format. -
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International Calls: Dial
+91 122 581-1234from outside India. -
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E.164 Standard:
+91122581XXXX
📞 Nearby Exchanges in Area Code 122
View All Area Code 122 Exchanges ›❓ Frequently Asked Questions
What area code is +91 (122) 581?
Phone numbers starting with +91 (122) 581 belong to the 122 area code in Hapur, Uttar Pradesh, India, routed via exchange block 581.
How do I call a 581 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 122, and the subscriber number.
Which provider operates the 581 prefix in Hapur, Uttar Pradesh?
Telecom services for the 581 exchange block in Hapur, Uttar Pradesh are primarily assigned to Local Network Carrier for Landline connections.