Russia • NPA 381
☎️ Central Office Exchange (NXX)
+7 (381) 501 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +7 (381) 501. Central office block assigned to Omsk, Russia.
Standard Subscriber Format
+7 (381) 501-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
381
Primary Location
Omsk
Service Type
Landline
📋 Central Office Exchange 501 Routing Details
The 501 exchange code (central office prefix) operates within the 381 Numbering Plan Area (NPA) servicing Omsk, Russia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +7 (381) 501 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
0381 501-1234or local national format. -
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International Calls: Dial
+7 381 501-1234from outside Russia. -
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E.164 Standard:
+7381501XXXX
📞 Nearby Exchanges in Area Code 381
View All Area Code 381 Exchanges ›❓ Frequently Asked Questions
What area code is +7 (381) 501?
Phone numbers starting with +7 (381) 501 belong to the 381 area code in Omsk, Russia, routed via exchange block 501.
How do I call a 501 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +7, then 381, and the subscriber number.
Which provider operates the 501 prefix in Omsk?
Telecom services for the 501 exchange block in Omsk are primarily assigned to Local Network Carrier for Landline connections.