Mexico • NPA 821
☎️ Central Office Exchange (NXX)
+52 (821) 751 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (821) 751. Central office block assigned to Hualahuises/Linares, NL, Mexico.
Standard Subscriber Format
+52 (821) 751-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
821
Primary Location
Hualahuises/Linares, NL
Service Type
Landline
📋 Central Office Exchange 751 Routing Details
The 751 exchange code (central office prefix) operates within the 821 Numbering Plan Area (NPA) servicing Hualahuises/Linares, NL, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (821) 751 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
0821 751-1234or local national format. -
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International Calls: Dial
+52 821 751-1234from outside Mexico. -
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E.164 Standard:
+52821751XXXX
📞 Nearby Exchanges in Area Code 821
View All Area Code 821 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (821) 751?
Phone numbers starting with +52 (821) 751 belong to the 821 area code in Hualahuises/Linares, NL, Mexico, routed via exchange block 751.
How do I call a 751 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 821, and the subscriber number.
Which provider operates the 751 prefix in Hualahuises/Linares, NL?
Telecom services for the 751 exchange block in Hualahuises/Linares, NL are primarily assigned to Local Network Carrier for Landline connections.