France • NPA 2
☎️ Central Office Exchange (NXX)
+33 (2) 603 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +33 (2) 603. Central office block assigned to North-West Region, France.
Standard Subscriber Format
+33 (2) 603-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
2
Primary Location
North-West Region
Service Type
Landline
📋 Central Office Exchange 603 Routing Details
The 603 exchange code (central office prefix) operates within the 2 Numbering Plan Area (NPA) servicing North-West Region, France. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +33 (2) 603 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
02 603-1234or local national format. -
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International Calls: Dial
+33 2 603-1234from outside France. -
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E.164 Standard:
+332603XXXX
📞 Nearby Exchanges in Area Code 2
View All Area Code 2 Exchanges ›❓ Frequently Asked Questions
What area code is +33 (2) 603?
Phone numbers starting with +33 (2) 603 belong to the 2 area code in North-West Region, France, routed via exchange block 603.
How do I call a 603 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +33, then 2, and the subscriber number.
Which provider operates the 603 prefix in North-West Region?
Telecom services for the 603 exchange block in North-West Region are primarily assigned to Local Network Carrier for Landline connections.