Poland • NPA 77
☎️ Central Office Exchange (NXX)
+48 (77) 917 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +48 (77) 917. Central office block assigned to Opole, Poland.
Standard Subscriber Format
+48 (77) 917-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
77
Primary Location
Opole
Service Type
Landline
📋 Central Office Exchange 917 Routing Details
The 917 exchange code (central office prefix) operates within the 77 Numbering Plan Area (NPA) servicing Opole, Poland. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +48 (77) 917 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
077 917-1234or local national format. -
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International Calls: Dial
+48 77 917-1234from outside Poland. -
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E.164 Standard:
+4877917XXXX
📞 Nearby Exchanges in Area Code 77
View All Area Code 77 Exchanges ›❓ Frequently Asked Questions
What area code is +48 (77) 917?
Phone numbers starting with +48 (77) 917 belong to the 77 area code in Opole, Poland, routed via exchange block 917.
How do I call a 917 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +48, then 77, and the subscriber number.
Which provider operates the 917 prefix in Opole?
Telecom services for the 917 exchange block in Opole are primarily assigned to Local Network Carrier for Landline connections.