United Kingdom • NPA 1245
☎️ Central Office Exchange (NXX)
+44 (1245) 2031 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +44 (1245) 2031. Central office block assigned to Chelmsford, United Kingdom.
Standard Subscriber Format
+44 (1245) 2031-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
1245
Primary Location
Chelmsford
Service Type
Landline
📋 Central Office Exchange 2031 Routing Details
The 2031 exchange code (central office prefix) operates within the 1245 Numbering Plan Area (NPA) servicing Chelmsford, United Kingdom. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +44 (1245) 2031 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
01245 2031-1234or local national format. -
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International Calls: Dial
+44 1245 2031-1234from outside United Kingdom. -
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E.164 Standard:
+4412452031XXXX
📞 Nearby Exchanges in Area Code 1245
View All Area Code 1245 Exchanges ›❓ Frequently Asked Questions
What area code is +44 (1245) 2031?
Phone numbers starting with +44 (1245) 2031 belong to the 1245 area code in Chelmsford, United Kingdom, routed via exchange block 2031.
How do I call a 2031 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +44, then 1245, and the subscriber number.
Which provider operates the 2031 prefix in Chelmsford?
Telecom services for the 2031 exchange block in Chelmsford are primarily assigned to Local Network Carrier for Landline connections.