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The 01753 dialling code covers Slough and the surrounding area.
Number 01753 363850 is potentially valid.
Ofcom records show that numbers starting 01753363 are allocated to COLT Technology Services. Note that due to number portability if an individual number has moved to a different operator this information is not publicly available.
Ofcom's last recorded change for this number range was January 2005.
Phone numbers beginning 01753 are geographic numbers.