Mexico • NPA 313
☎️ Central Office Exchange (NXX)
+52 (313) 978 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +52 (313) 978. Central office block assigned to Colima, Mexico.
Standard Subscriber Format
+52 (313) 978-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
313
Primary Location
Colima
Service Type
Landline
📋 Central Office Exchange 978 Routing Details
The 978 exchange code (central office prefix) operates within the 313 Numbering Plan Area (NPA) servicing Colima, Mexico. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +52 (313) 978 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
0313 978-1234or local national format. -
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International Calls: Dial
+52 313 978-1234from outside Mexico. -
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E.164 Standard:
+52313978XXXX
📞 Nearby Exchanges in Area Code 313
View All Area Code 313 Exchanges ›❓ Frequently Asked Questions
What area code is +52 (313) 978?
Phone numbers starting with +52 (313) 978 belong to the 313 area code in Colima, Mexico, routed via exchange block 978.
How do I call a 978 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 313, and the subscriber number.
Which provider operates the 978 prefix in Colima?
Telecom services for the 978 exchange block in Colima are primarily assigned to Local Network Carrier for Landline connections.