India • NPA 8917 ☎️ Central Office Exchange (NXX)

+91 (8917) 644 Exchange Code

Technical registry directory for telephone subscriber numbers starting with +91 (8917) 644. Central office block assigned to Visakhapatnam, Andhra Pradesh, India.

Standard Subscriber Format

+91 (8917) 644-XXXX

Telecom Carrier Local Network Carrier

Area Code (NPA) 8917

Primary Location Visakhapatnam, Andhra Pradesh

Service Type Landline

📋 Central Office Exchange 644 Routing Details

The 644 exchange code (central office prefix) operates within the 8917 Numbering Plan Area (NPA) servicing Visakhapatnam, Andhra Pradesh, India. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.

Telecommunication services within the +91 (8917) 644 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.

🌐 Dialing Instructions

• Domestic Calls: Dial 08917 644-1234 or local national format.
• International Calls: Dial +91 8917 644-1234 from outside India.
• E.164 Standard: +918917644XXXX

📞 Nearby Exchanges in Area Code 8917

View All Area Code 8917 Exchanges ›

(8917) 838 (8917) 680 (8917) 274 (8917) 343 (8917) 641 (8917) 485 (8917) 375 (8917) 244 (8917) 778 (8917) 889 (8917) 940 (8917) 630 (8917) 721 (8917) 337 (8917) 259 (8917) 278

❓ Frequently Asked Questions

What area code is +91 (8917) 644?

Phone numbers starting with +91 (8917) 644 belong to the 8917 area code in Visakhapatnam, Andhra Pradesh, India, routed via exchange block 644.

How do I call a 644 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 8917, and the subscriber number.

Which provider operates the 644 prefix in Visakhapatnam, Andhra Pradesh?

Telecom services for the 644 exchange block in Visakhapatnam, Andhra Pradesh are primarily assigned to Local Network Carrier for Landline connections.