Mexico • NPA 457
☎️ Central Office Exchange (NXX)
+52 (457) 643 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (457) 643. Central office block assigned to Jalisco/Zacatecas, Mexico.
Standard Subscriber Format
+52 (457) 643-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
457
Primary Location
Jalisco/Zacatecas
Service Type
Landline
📋 Central Office Exchange 643 Routing Details
The 643 exchange code (central office prefix) operates within the 457 Numbering Plan Area (NPA) servicing Jalisco/Zacatecas, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (457) 643 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
-
•
Domestic Calls: Dial
0457 643-1234or local national format. -
•
International Calls: Dial
+52 457 643-1234from outside Mexico. -
•
E.164 Standard:
+52457643XXXX
📞 Nearby Exchanges in Area Code 457
View All Area Code 457 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (457) 643?
Phone numbers starting with +52 (457) 643 belong to the 457 area code in Jalisco/Zacatecas, 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 457, and the subscriber number.
Which provider operates the 643 prefix in Jalisco/Zacatecas?
Telecom services for the 643 exchange block in Jalisco/Zacatecas are primarily assigned to Local Network Carrier for Landline connections.