Mexico • NPA 673
☎️ Central Office Exchange (NXX)
+52 (673) 334 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (673) 334. Central office block assigned to Sinaloa, Mexico.
Standard Subscriber Format
+52 (673) 334-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
673
Primary Location
Sinaloa
Service Type
Landline
📋 Central Office Exchange 334 Routing Details
The 334 exchange code (central office prefix) operates within the 673 Numbering Plan Area (NPA) servicing Sinaloa, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (673) 334 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
0673 334-1234or local national format. -
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International Calls: Dial
+52 673 334-1234from outside Mexico. -
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E.164 Standard:
+52673334XXXX
📞 Nearby Exchanges in Area Code 673
View All Area Code 673 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (673) 334?
Phone numbers starting with +52 (673) 334 belong to the 673 area code in Sinaloa, Mexico, routed via exchange block 334.
How do I call a 334 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 673, and the subscriber number.
Which provider operates the 334 prefix in Sinaloa?
Telecom services for the 334 exchange block in Sinaloa are primarily assigned to Local Network Carrier for Landline connections.