Spain • NPA 81
☎️ Central Office Exchange (NXX)
+34 (81) 458 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +34 (81) 458. Central office block assigned to Madrid, Spain.
Standard Subscriber Format
+34 (81) 458-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
81
Primary Location
Madrid
Service Type
Landline
📋 Central Office Exchange 458 Routing Details
The 458 exchange code (central office prefix) operates within the 81 Numbering Plan Area (NPA) servicing Madrid, Spain. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +34 (81) 458 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
081 458-1234or local national format. -
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International Calls: Dial
+34 81 458-1234from outside Spain. -
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E.164 Standard:
+3481458XXXX
📞 Nearby Exchanges in Area Code 81
View All Area Code 81 Exchanges ›❓ Frequently Asked Questions
What area code is +34 (81) 458?
Phone numbers starting with +34 (81) 458 belong to the 81 area code in Madrid, Spain, routed via exchange block 458.
How do I call a 458 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 81, and the subscriber number.
Which provider operates the 458 prefix in Madrid?
Telecom services for the 458 exchange block in Madrid are primarily assigned to Local Network Carrier for Landline connections.