Romania • NPA 78
☎️ Central Office Exchange (NXX)
+40 (78) 640 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +40 (78) 640. Central office block assigned to Mobile - Telekom / MVNOs, Romania.
Standard Subscriber Format
+40 (78) 640-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
78
Primary Location
Mobile - Telekom / MVNOs
Service Type
Landline
📋 Central Office Exchange 640 Routing Details
The 640 exchange code (central office prefix) operates within the 78 Numbering Plan Area (NPA) servicing Mobile - Telekom / MVNOs, Romania. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +40 (78) 640 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
078 640-1234or local national format. -
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International Calls: Dial
+40 78 640-1234from outside Romania. -
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E.164 Standard:
+4078640XXXX
📞 Nearby Exchanges in Area Code 78
View All Area Code 78 Exchanges ›❓ Frequently Asked Questions
What area code is +40 (78) 640?
Phone numbers starting with +40 (78) 640 belong to the 78 area code in Mobile - Telekom / MVNOs, Romania, routed via exchange block 640.
How do I call a 640 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +40, then 78, and the subscriber number.
Which provider operates the 640 prefix in Mobile - Telekom / MVNOs?
Telecom services for the 640 exchange block in Mobile - Telekom / MVNOs are primarily assigned to Local Network Carrier for Landline connections.