Mexico • NPA 312
☎️ Central Office Exchange (NXX)
+52 (312) 665 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (312) 665. Central office block assigned to Colima/Los Tepames, COL, Mexico.
Standard Subscriber Format
+52 (312) 665-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
312
Primary Location
Colima/Los Tepames, COL
Service Type
Landline
📋 Central Office Exchange 665 Routing Details
The 665 exchange code (central office prefix) operates within the 312 Numbering Plan Area (NPA) servicing Colima/Los Tepames, COL, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (312) 665 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
0312 665-1234or local national format. -
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International Calls: Dial
+52 312 665-1234from outside Mexico. -
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E.164 Standard:
+52312665XXXX
📞 Nearby Exchanges in Area Code 312
View All Area Code 312 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (312) 665?
Phone numbers starting with +52 (312) 665 belong to the 312 area code in Colima/Los Tepames, COL, Mexico, routed via exchange block 665.
How do I call a 665 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 312, and the subscriber number.
Which provider operates the 665 prefix in Colima/Los Tepames, COL?
Telecom services for the 665 exchange block in Colima/Los Tepames, COL are primarily assigned to Local Network Carrier for Landline connections.