Brazil • NPA 97
☎️ Central Office Exchange (NXX)
+55 (97) 305 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +55 (97) 305. Central office block assigned to Amazonas, Brazil.
Standard Subscriber Format
+55 (97) 305-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
97
Primary Location
Amazonas
Service Type
Landline
📋 Central Office Exchange 305 Routing Details
The 305 exchange code (central office prefix) operates within the 97 Numbering Plan Area (NPA) servicing Amazonas, Brazil. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +55 (97) 305 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
097 305-1234or local national format. -
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International Calls: Dial
+55 97 305-1234from outside Brazil. -
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E.164 Standard:
+5597305XXXX
📞 Nearby Exchanges in Area Code 97
View All Area Code 97 Exchanges ›❓ Frequently Asked Questions
What area code is +55 (97) 305?
Phone numbers starting with +55 (97) 305 belong to the 97 area code in Amazonas, Brazil, routed via exchange block 305.
How do I call a 305 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 97, and the subscriber number.
Which provider operates the 305 prefix in Amazonas?
Telecom services for the 305 exchange block in Amazonas are primarily assigned to Local Network Carrier for Landline connections.