Mexico • NPA 231
☎️ Central Office Exchange (NXX)
+52 (231) 643 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (231) 643. Central office block assigned to Teteles/Teziutlan, PUE, Mexico.
Standard Subscriber Format
+52 (231) 643-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
231
Primary Location
Teteles/Teziutlan, PUE
Service Type
Landline
📋 Central Office Exchange 643 Routing Details
The 643 exchange code (central office prefix) operates within the 231 Numbering Plan Area (NPA) servicing Teteles/Teziutlan, PUE, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (231) 643 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
0231 643-1234or local national format. -
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International Calls: Dial
+52 231 643-1234from outside Mexico. -
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E.164 Standard:
+52231643XXXX
📞 Nearby Exchanges in Area Code 231
View All Area Code 231 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (231) 643?
Phone numbers starting with +52 (231) 643 belong to the 231 area code in Teteles/Teziutlan, PUE, Mexico, routed via exchange block 643.
How do I call a 643 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 231, and the subscriber number.
Which provider operates the 643 prefix in Teteles/Teziutlan, PUE?
Telecom services for the 643 exchange block in Teteles/Teziutlan, PUE are primarily assigned to Local Network Carrier for Landline connections.