Netherlands • NPA 166
☎️ Central Office Exchange (NXX)
+31 (166) 203 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +31 (166) 203. Central office block assigned to Tholen, Netherlands.
Standard Subscriber Format
+31 (166) 203-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
166
Primary Location
Tholen
Service Type
Landline
📋 Central Office Exchange 203 Routing Details
The 203 exchange code (central office prefix) operates within the 166 Numbering Plan Area (NPA) servicing Tholen, Netherlands. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +31 (166) 203 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
0166 203-1234or local national format. -
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International Calls: Dial
+31 166 203-1234from outside Netherlands. -
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E.164 Standard:
+31166203XXXX
📞 Nearby Exchanges in Area Code 166
View All Area Code 166 Exchanges ›❓ Frequently Asked Questions
What area code is +31 (166) 203?
Phone numbers starting with +31 (166) 203 belong to the 166 area code in Tholen, Netherlands, routed via exchange block 203.
How do I call a 203 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +31, then 166, and the subscriber number.
Which provider operates the 203 prefix in Tholen?
Telecom services for the 203 exchange block in Tholen are primarily assigned to Local Network Carrier for Landline connections.