Romania • NPA 255
☎️ Central Office Exchange (NXX)
+40 (255) 370 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +40 (255) 370. Central office block assigned to Caraș-Severin, Romania.
Standard Subscriber Format
+40 (255) 370-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
255
Primary Location
Caraș-Severin
Service Type
Landline
📋 Central Office Exchange 370 Routing Details
The 370 exchange code (central office prefix) operates within the 255 Numbering Plan Area (NPA) servicing Caraș-Severin, Romania. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +40 (255) 370 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
0255 370-1234or local national format. -
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International Calls: Dial
+40 255 370-1234from outside Romania. -
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E.164 Standard:
+40255370XXXX
📞 Nearby Exchanges in Area Code 255
View All Area Code 255 Exchanges ›❓ Frequently Asked Questions
What area code is +40 (255) 370?
Phone numbers starting with +40 (255) 370 belong to the 255 area code in Caraș-Severin, Romania, routed via exchange block 370.
How do I call a 370 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 255, and the subscriber number.
Which provider operates the 370 prefix in Caraș-Severin?
Telecom services for the 370 exchange block in Caraș-Severin are primarily assigned to Local Network Carrier for Landline connections.