Bulgaria • NPA 3921
☎️ Central Office Exchange (NXX)
+359 (3921) 252 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +359 (3921) 252. Central office block assigned to Merichleri, Bulgaria.
Standard Subscriber Format
+359 (3921) 252-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
3921
Primary Location
Merichleri
Service Type
Landline
📋 Central Office Exchange 252 Routing Details
The 252 exchange code (central office prefix) operates within the 3921 Numbering Plan Area (NPA) servicing Merichleri, Bulgaria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +359 (3921) 252 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
03921 252-1234or local national format. -
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International Calls: Dial
+359 3921 252-1234from outside Bulgaria. -
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E.164 Standard:
+3593921252XXXX
📞 Nearby Exchanges in Area Code 3921
View All Area Code 3921 Exchanges ›❓ Frequently Asked Questions
What area code is +359 (3921) 252?
Phone numbers starting with +359 (3921) 252 belong to the 3921 area code in Merichleri, Bulgaria, routed via exchange block 252.
How do I call a 252 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +359, then 3921, and the subscriber number.
Which provider operates the 252 prefix in Merichleri?
Telecom services for the 252 exchange block in Merichleri are primarily assigned to Local Network Carrier for Landline connections.