Brentwood phone numbers start 01277
Brentwood is in Essex, and its landline numbers begin 01277.
An 01277 number does not prove the caller is in Brentwood
103 phone companies hold 01277 ranges, a number keeps its code when it moves provider, and caller ID can be faked outright. The code tells you which exchange the range was allocated to - nothing about who dialled.
- Area code
- 01277
- Administrative area
- Essex
- Nation
- England
- Population
- 77,047
- This town
- The place 01277 is named after
- Phone companies holding ranges
- 103
Numbers reported on 01277
Nobody has reported an 01277 number to this site yet. That does not mean an 01277 number is safe - it means no one has told us about one.
Other places on 01277
01277 covers more than Brentwood. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Brentwood
Had a call from an 01277 number?
Type it in and we will tell you what we know.
Try:
Keep it free
Free, because people chip in.
No pop-ups, no interruptions, no spammy ads or fake sites — and nobody pays to be listed. A quid, three, or a fiver if you are feeling flush; it all goes on the late nights making this better.
Buy us a coffeeArea code and range data from Ofcom's published allocations, downloaded 1 October 2026. Town locations, populations and administrative areas from Wikidata (CC0), joined 1 October 2026 - towns within 40 km of the exchange. Reports are from visitors to this site and are unchecked. Browse every town A-Z.