Spain • NPA 83
☎️ Central Office Exchange (NXX)
+34 (83) 904 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +34 (83) 904. Central office block assigned to Barcelona, Spain.
Standard Subscriber Format
+34 (83) 904-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
83
Primary Location
Barcelona
Service Type
Landline
📋 Central Office Exchange 904 Routing Details
The 904 exchange code (central office prefix) operates within the 83 Numbering Plan Area (NPA) servicing Barcelona, Spain. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +34 (83) 904 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
083 904-1234or local national format. -
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International Calls: Dial
+34 83 904-1234from outside Spain. -
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E.164 Standard:
+3483904XXXX
📞 Nearby Exchanges in Area Code 83
View All Area Code 83 Exchanges ›❓ Frequently Asked Questions
What area code is +34 (83) 904?
Phone numbers starting with +34 (83) 904 belong to the 83 area code in Barcelona, Spain, routed via exchange block 904.
How do I call a 904 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 83, and the subscriber number.
Which provider operates the 904 prefix in Barcelona?
Telecom services for the 904 exchange block in Barcelona are primarily assigned to Local Network Carrier for Landline connections.