Portugal • NPA 278
☎️ Central Office Exchange (NXX)
+351 (278) 229 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +351 (278) 229. Central office block assigned to Mirandela, Portugal.
Standard Subscriber Format
+351 (278) 229-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
278
Primary Location
Mirandela
Service Type
Landline
📋 Central Office Exchange 229 Routing Details
The 229 exchange code (central office prefix) operates within the 278 Numbering Plan Area (NPA) servicing Mirandela, Portugal. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +351 (278) 229 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
0278 229-1234or local national format. -
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International Calls: Dial
+351 278 229-1234from outside Portugal. -
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E.164 Standard:
+351278229XXXX
📞 Nearby Exchanges in Area Code 278
View All Area Code 278 Exchanges ›❓ Frequently Asked Questions
What area code is +351 (278) 229?
Phone numbers starting with +351 (278) 229 belong to the 278 area code in Mirandela, Portugal, routed via exchange block 229.
How do I call a 229 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +351, then 278, and the subscriber number.
Which provider operates the 229 prefix in Mirandela?
Telecom services for the 229 exchange block in Mirandela are primarily assigned to Local Network Carrier for Landline connections.