Bulgaria • NPA 331
☎️ Central Office Exchange (NXX)
+359 (331) 322 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +359 (331) 322. Central office block assigned to Asenovgrad, Bulgaria.
Standard Subscriber Format
+359 (331) 322-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
331
Primary Location
Asenovgrad
Service Type
Landline
📋 Central Office Exchange 322 Routing Details
The 322 exchange code (central office prefix) operates within the 331 Numbering Plan Area (NPA) servicing Asenovgrad, Bulgaria. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +359 (331) 322 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
0331 322-1234or local national format. -
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International Calls: Dial
+359 331 322-1234from outside Bulgaria. -
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E.164 Standard:
+359331322XXXX
📞 Nearby Exchanges in Area Code 331
View All Area Code 331 Exchanges ›❓ Frequently Asked Questions
What area code is +359 (331) 322?
Phone numbers starting with +359 (331) 322 belong to the 331 area code in Asenovgrad, Bulgaria, routed via exchange block 322.
How do I call a 322 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 331, and the subscriber number.
Which provider operates the 322 prefix in Asenovgrad?
Telecom services for the 322 exchange block in Asenovgrad are primarily assigned to Local Network Carrier for Landline connections.