Poland • NPA 13
☎️ Central Office Exchange (NXX)
+48 (13) 931 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +48 (13) 931. Central office block assigned to Krosno, Poland.
Standard Subscriber Format
+48 (13) 931-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
13
Primary Location
Krosno
Service Type
Landline
📋 Central Office Exchange 931 Routing Details
The 931 exchange code (central office prefix) operates within the 13 Numbering Plan Area (NPA) servicing Krosno, Poland. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +48 (13) 931 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
013 931-1234or local national format. -
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International Calls: Dial
+48 13 931-1234from outside Poland. -
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E.164 Standard:
+4813931XXXX
📞 Nearby Exchanges in Area Code 13
View All Area Code 13 Exchanges ›❓ Frequently Asked Questions
What area code is +48 (13) 931?
Phone numbers starting with +48 (13) 931 belong to the 13 area code in Krosno, Poland, routed via exchange block 931.
How do I call a 931 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 13, and the subscriber number.
Which provider operates the 931 prefix in Krosno?
Telecom services for the 931 exchange block in Krosno are primarily assigned to Local Network Carrier for Landline connections.