Spain • NPA 843
☎️ Central Office Exchange (NXX)
+34 (843) 457 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +34 (843) 457. Central office block assigned to Guipúzcoa, Spain.
Standard Subscriber Format
+34 (843) 457-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
843
Primary Location
Guipúzcoa
Service Type
Landline
📋 Central Office Exchange 457 Routing Details
The 457 exchange code (central office prefix) operates within the 843 Numbering Plan Area (NPA) servicing Guipúzcoa, Spain. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +34 (843) 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
0843 457-1234or local national format. -
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International Calls: Dial
+34 843 457-1234from outside Spain. -
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E.164 Standard:
+34843457XXXX
📞 Nearby Exchanges in Area Code 843
View All Area Code 843 Exchanges ›❓ Frequently Asked Questions
What area code is +34 (843) 457?
Phone numbers starting with +34 (843) 457 belong to the 843 area code in Guipúzcoa, Spain, 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 +34, then 843, and the subscriber number.
Which provider operates the 457 prefix in Guipúzcoa?
Telecom services for the 457 exchange block in Guipúzcoa are primarily assigned to Local Network Carrier for Landline connections.