Australia • NPA 13
☎️ Central Office Exchange (NXX)
+61 (13) 551 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +61 (13) 551. Central office block assigned to Non-Geographical Services, Australia.
Standard Subscriber Format
+61 (13) 551-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
13
Primary Location
Non-Geographical Services
Service Type
Landline
📋 Central Office Exchange 551 Routing Details
The 551 exchange code (central office prefix) operates within the 13 Numbering Plan Area (NPA) servicing Non-Geographical Services, Australia. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +61 (13) 551 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
013 551-1234or local national format. -
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International Calls: Dial
+61 13 551-1234from outside Australia. -
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E.164 Standard:
+6113551XXXX
📞 Nearby Exchanges in Area Code 13
View All Area Code 13 Exchanges ›❓ Frequently Asked Questions
What area code is +61 (13) 551?
Phone numbers starting with +61 (13) 551 belong to the 13 area code in Non-Geographical Services, Australia, routed via exchange block 551.
How do I call a 551 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +61, then 13, and the subscriber number.
Which provider operates the 551 prefix in Non-Geographical Services?
Telecom services for the 551 exchange block in Non-Geographical Services are primarily assigned to Local Network Carrier for Landline connections.