Lithuania • NPA 521
☎️ Central Office Exchange (NXX)
+370 (521) 743 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +370 (521) 743. Central office block assigned to Vilnius, Lithuania.
Standard Subscriber Format
+370 (521) 743-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
521
Primary Location
Vilnius
Service Type
Landline
📋 Central Office Exchange 743 Routing Details
The 743 exchange code (central office prefix) operates within the 521 Numbering Plan Area (NPA) servicing Vilnius, Lithuania. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +370 (521) 743 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
0521 743-1234or local national format. -
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International Calls: Dial
+370 521 743-1234from outside Lithuania. -
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E.164 Standard:
+370521743XXXX
📞 Nearby Exchanges in Area Code 521
View All Area Code 521 Exchanges ›❓ Frequently Asked Questions
What area code is +370 (521) 743?
Phone numbers starting with +370 (521) 743 belong to the 521 area code in Vilnius, Lithuania, routed via exchange block 743.
How do I call a 743 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +370, then 521, and the subscriber number.
Which provider operates the 743 prefix in Vilnius?
Telecom services for the 743 exchange block in Vilnius are primarily assigned to Local Network Carrier for Landline connections.