Argentina • NPA 2257
☎️ Central Office Exchange (NXX)
+54 (2257) 234 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +54 (2257) 234. Central office block assigned to Mar de Ajó, Buenos Aires, Argentina.
Standard Subscriber Format
+54 (2257) 234-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
2257
Primary Location
Mar de Ajó, Buenos Aires
Service Type
Landline
📋 Central Office Exchange 234 Routing Details
The 234 exchange code (central office prefix) operates within the 2257 Numbering Plan Area (NPA) servicing Mar de Ajó, Buenos Aires, Argentina. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +54 (2257) 234 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
02257 234-1234or local national format. -
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International Calls: Dial
+54 2257 234-1234from outside Argentina. -
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E.164 Standard:
+542257234XXXX
📞 Nearby Exchanges in Area Code 2257
View All Area Code 2257 Exchanges ›❓ Frequently Asked Questions
What area code is +54 (2257) 234?
Phone numbers starting with +54 (2257) 234 belong to the 2257 area code in Mar de Ajó, Buenos Aires, Argentina, routed via exchange block 234.
How do I call a 234 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +54, then 2257, and the subscriber number.
Which provider operates the 234 prefix in Mar de Ajó, Buenos Aires?
Telecom services for the 234 exchange block in Mar de Ajó, Buenos Aires are primarily assigned to Local Network Carrier for Landline connections.