Mexico • NPA 756
☎️ Central Office Exchange (NXX)
+52 (756) 640 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (756) 640. Central office block assigned to Chilapa/Olinala, GRO, Mexico.
Standard Subscriber Format
+52 (756) 640-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
756
Primary Location
Chilapa/Olinala, GRO
Service Type
Landline
📋 Central Office Exchange 640 Routing Details
The 640 exchange code (central office prefix) operates within the 756 Numbering Plan Area (NPA) servicing Chilapa/Olinala, GRO, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (756) 640 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
0756 640-1234or local national format. -
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International Calls: Dial
+52 756 640-1234from outside Mexico. -
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E.164 Standard:
+52756640XXXX
📞 Nearby Exchanges in Area Code 756
View All Area Code 756 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (756) 640?
Phone numbers starting with +52 (756) 640 belong to the 756 area code in Chilapa/Olinala, GRO, Mexico, routed via exchange block 640.
How do I call a 640 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 756, and the subscriber number.
Which provider operates the 640 prefix in Chilapa/Olinala, GRO?
Telecom services for the 640 exchange block in Chilapa/Olinala, GRO are primarily assigned to Local Network Carrier for Landline connections.