Spain • NPA 971
☎️ Central Office Exchange (NXX)
+34 (971) 504 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +34 (971) 504. Central office block assigned to Balearic Islands, Spain.
Standard Subscriber Format
+34 (971) 504-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
971
Primary Location
Balearic Islands
Service Type
Landline
📋 Central Office Exchange 504 Routing Details
The 504 exchange code (central office prefix) operates within the 971 Numbering Plan Area (NPA) servicing Balearic Islands, Spain. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +34 (971) 504 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
0971 504-1234or local national format. -
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International Calls: Dial
+34 971 504-1234from outside Spain. -
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E.164 Standard:
+34971504XXXX
📞 Nearby Exchanges in Area Code 971
View All Area Code 971 Exchanges ›❓ Frequently Asked Questions
What area code is +34 (971) 504?
Phone numbers starting with +34 (971) 504 belong to the 971 area code in Balearic Islands, Spain, routed via exchange block 504.
How do I call a 504 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 971, and the subscriber number.
Which provider operates the 504 prefix in Balearic Islands?
Telecom services for the 504 exchange block in Balearic Islands are primarily assigned to Local Network Carrier for Landline connections.