Mexico • NPA 645
☎️ Central Office Exchange (NXX)
+52 (645) 305 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (645) 305. Central office block assigned to Cananea, SON, Mexico.
Standard Subscriber Format
+52 (645) 305-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
645
Primary Location
Cananea, SON
Service Type
Landline
📋 Central Office Exchange 305 Routing Details
The 305 exchange code (central office prefix) operates within the 645 Numbering Plan Area (NPA) servicing Cananea, SON, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (645) 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
0645 305-1234or local national format. -
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International Calls: Dial
+52 645 305-1234from outside Mexico. -
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E.164 Standard:
+52645305XXXX
📞 Nearby Exchanges in Area Code 645
View All Area Code 645 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (645) 305?
Phone numbers starting with +52 (645) 305 belong to the 645 area code in Cananea, SON, Mexico, 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 +52, then 645, and the subscriber number.
Which provider operates the 305 prefix in Cananea, SON?
Telecom services for the 305 exchange block in Cananea, SON are primarily assigned to Local Network Carrier for Landline connections.