Greece • NPA 2521
☎️ Central Office Exchange (NXX)
+30 (2521) 991 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +30 (2521) 991. Central office block assigned to Drama, Greece.
Standard Subscriber Format
+30 (2521) 991-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
2521
Primary Location
Drama
Service Type
Landline
📋 Central Office Exchange 991 Routing Details
The 991 exchange code (central office prefix) operates within the 2521 Numbering Plan Area (NPA) servicing Drama, Greece. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +30 (2521) 991 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
02521 991-1234or local national format. -
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International Calls: Dial
+30 2521 991-1234from outside Greece. -
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E.164 Standard:
+302521991XXXX
📞 Nearby Exchanges in Area Code 2521
View All Area Code 2521 Exchanges ›❓ Frequently Asked Questions
What area code is +30 (2521) 991?
Phone numbers starting with +30 (2521) 991 belong to the 2521 area code in Drama, Greece, routed via exchange block 991.
How do I call a 991 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +30, then 2521, and the subscriber number.
Which provider operates the 991 prefix in Drama?
Telecom services for the 991 exchange block in Drama are primarily assigned to Local Network Carrier for Landline connections.