Brazil • NPA 1129
☎️ Central Office Exchange (NXX)
+55 (1129) 312 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +55 (1129) 312. Central office block assigned to São Paulo - SP, Brazil.
Standard Subscriber Format
+55 (1129) 312-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
1129
Primary Location
São Paulo - SP
Service Type
Landline
📋 Central Office Exchange 312 Routing Details
The 312 exchange code (central office prefix) operates within the 1129 Numbering Plan Area (NPA) servicing São Paulo - SP, Brazil. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +55 (1129) 312 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
01129 312-1234or local national format. -
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International Calls: Dial
+55 1129 312-1234from outside Brazil. -
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E.164 Standard:
+551129312XXXX
📞 Nearby Exchanges in Area Code 1129
View All Area Code 1129 Exchanges ›❓ Frequently Asked Questions
What area code is +55 (1129) 312?
Phone numbers starting with +55 (1129) 312 belong to the 1129 area code in São Paulo - SP, Brazil, routed via exchange block 312.
How do I call a 312 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +55, then 1129, and the subscriber number.
Which provider operates the 312 prefix in São Paulo - SP?
Telecom services for the 312 exchange block in São Paulo - SP are primarily assigned to Local Network Carrier for Landline connections.