Ireland • NPA 421 ☎️ Central Office Exchange (NXX)

+353 (421) 235 Exchange Code

Technical registry directory for telephone subscriber numbers starting with +353 (421) 235. Central office block assigned to Dundalk/Carrickmacross/Castleblaney, Ireland.

Standard Subscriber Format

+353 (421) 235-XXXX

Telecom Carrier Local Network Carrier

Area Code (NPA) 421

Primary Location Dundalk/Carrickmacross/Castleblaney

Service Type Landline

📋 Central Office Exchange 235 Routing Details

The 235 exchange code (central office prefix) operates within the 421 Numbering Plan Area (NPA) servicing Dundalk/Carrickmacross/Castleblaney, Ireland. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.

Telecommunication services within the +353 (421) 235 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.

🌐 Dialing Instructions

• Domestic Calls: Dial 0421 235-1234 or local national format.
• International Calls: Dial +353 421 235-1234 from outside Ireland.
• E.164 Standard: +353421235XXXX

📞 Nearby Exchanges in Area Code 421

View All Area Code 421 Exchanges ›

(421) 583 (421) 360 (421) 752 (421) 768 (421) 719 (421) 769 (421) 807 (421) 549 (421) 865 (421) 735 (421) 954 (421) 637 (421) 367 (421) 592 (421) 390 (421) 826

❓ Frequently Asked Questions

What area code is +353 (421) 235?

Phone numbers starting with +353 (421) 235 belong to the 421 area code in Dundalk/Carrickmacross/Castleblaney, Ireland, routed via exchange block 235.

How do I call a 235 exchange number from abroad?

To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +353, then 421, and the subscriber number.

Which provider operates the 235 prefix in Dundalk/Carrickmacross/Castleblaney?

Telecom services for the 235 exchange block in Dundalk/Carrickmacross/Castleblaney are primarily assigned to Local Network Carrier for Landline connections.