Brazil • NPA 2124
☎️ Central Office Exchange (NXX)
+55 (2124) 397 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +55 (2124) 397. Central office block assigned to Rio de Janeiro - RJ, Brazil.
Standard Subscriber Format
+55 (2124) 397-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
2124
Primary Location
Rio de Janeiro - RJ
Service Type
Landline
📋 Central Office Exchange 397 Routing Details
The 397 exchange code (central office prefix) operates within the 2124 Numbering Plan Area (NPA) servicing Rio de Janeiro - RJ, Brazil. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +55 (2124) 397 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
02124 397-1234or local national format. -
•
International Calls: Dial
+55 2124 397-1234from outside Brazil. -
•
E.164 Standard:
+552124397XXXX
📞 Nearby Exchanges in Area Code 2124
View All Area Code 2124 Exchanges ›❓ Frequently Asked Questions
What area code is +55 (2124) 397?
Phone numbers starting with +55 (2124) 397 belong to the 2124 area code in Rio de Janeiro - RJ, Brazil, routed via exchange block 397.
How do I call a 397 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 2124, and the subscriber number.
Which provider operates the 397 prefix in Rio de Janeiro - RJ?
Telecom services for the 397 exchange block in Rio de Janeiro - RJ are primarily assigned to Local Network Carrier for Landline connections.