Poland • NPA 43
☎️ Central Office Exchange (NXX)
+48 (43) 457 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +48 (43) 457. Central office block assigned to Sieradz, Poland.
Standard Subscriber Format
+48 (43) 457-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
43
Primary Location
Sieradz
Service Type
Landline
📋 Central Office Exchange 457 Routing Details
The 457 exchange code (central office prefix) operates within the 43 Numbering Plan Area (NPA) servicing Sieradz, Poland. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +48 (43) 457 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
043 457-1234or local national format. -
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International Calls: Dial
+48 43 457-1234from outside Poland. -
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E.164 Standard:
+4843457XXXX
📞 Nearby Exchanges in Area Code 43
View All Area Code 43 Exchanges ›❓ Frequently Asked Questions
What area code is +48 (43) 457?
Phone numbers starting with +48 (43) 457 belong to the 43 area code in Sieradz, Poland, routed via exchange block 457.
How do I call a 457 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 43, and the subscriber number.
Which provider operates the 457 prefix in Sieradz?
Telecom services for the 457 exchange block in Sieradz are primarily assigned to Local Network Carrier for Landline connections.