Netherlands • NPA 73
☎️ Central Office Exchange (NXX)
+31 (73) 320 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +31 (73) 320. Central office block assigned to 's-Hertogenbosch, Netherlands.
Standard Subscriber Format
+31 (73) 320-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
73
Primary Location
's-Hertogenbosch
Service Type
Landline
📋 Central Office Exchange 320 Routing Details
The 320 exchange code (central office prefix) operates within the 73 Numbering Plan Area (NPA) servicing 's-Hertogenbosch, Netherlands. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +31 (73) 320 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
073 320-1234or local national format. -
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International Calls: Dial
+31 73 320-1234from outside Netherlands. -
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E.164 Standard:
+3173320XXXX
📞 Nearby Exchanges in Area Code 73
View All Area Code 73 Exchanges ›❓ Frequently Asked Questions
What area code is +31 (73) 320?
Phone numbers starting with +31 (73) 320 belong to the 73 area code in 's-Hertogenbosch, Netherlands, routed via exchange block 320.
How do I call a 320 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 73, and the subscriber number.
Which provider operates the 320 prefix in 's-Hertogenbosch?
Telecom services for the 320 exchange block in 's-Hertogenbosch are primarily assigned to Local Network Carrier for Landline connections.