Romania • NPA 770
☎️ Central Office Exchange (NXX)
+40 (770) 403 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +40 (770) 403. Central office block assigned to Mobile - Digi Mobil, Romania.
Standard Subscriber Format
+40 (770) 403-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
770
Primary Location
Mobile - Digi Mobil
Service Type
Landline
📋 Central Office Exchange 403 Routing Details
The 403 exchange code (central office prefix) operates within the 770 Numbering Plan Area (NPA) servicing Mobile - Digi Mobil, Romania. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +40 (770) 403 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
0770 403-1234or local national format. -
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International Calls: Dial
+40 770 403-1234from outside Romania. -
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E.164 Standard:
+40770403XXXX
📞 Nearby Exchanges in Area Code 770
View All Area Code 770 Exchanges ›❓ Frequently Asked Questions
What area code is +40 (770) 403?
Phone numbers starting with +40 (770) 403 belong to the 770 area code in Mobile - Digi Mobil, Romania, routed via exchange block 403.
How do I call a 403 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 770, and the subscriber number.
Which provider operates the 403 prefix in Mobile - Digi Mobil?
Telecom services for the 403 exchange block in Mobile - Digi Mobil are primarily assigned to Local Network Carrier for Landline connections.