01245 area code — Chelmsford
Phone numbers in Chelmsford, United Kingdom use the area code 01245. Numbers are written internationally as +44 1245.
How to call Chelmsford
- From abroad
- +44 1245 XXX XXXX
- Within United Kingdom
- 01245 XXX XXXX
- Country calling code
- +44
About the 01245 area code
Locally the code appears as 01245; from outside United Kingdom you replace the leading 0 with +44 1245.
Area codes like 01245 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local United Kingdom number. To actually receive an SMS on a United Kingdom number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Chelmsford?
Chelmsford uses the area code 01245, written internationally as +44 1245.
How do I call Chelmsford from another country?
Dial your international access code, then +44 1245, then the local number — dropping the national leading 0.
What time is it in Chelmsford?
Chelmsford is in the Europe/London time zone; the live clock above shows the current local time.
Is 01245 a mobile or a landline code?
01245 is a geographic (landline) area code for Chelmsford. Mobile numbers in United Kingdom use their own separate prefixes.