The chief office in St. Christopher’s alley, Threadneedle street, to which belong, one sorter, two subsorters, twenty messengers, and seventy-three receiving houses. This office collects, receives, conveys, and delivers letters to and from the following places, besides what it delivers in its own proper district in London.

Aldersbrook

Avery-hatch

Barking

Bednal green

Bishops-hall

Bow

Bromley in Middlesex

Bush-hall

Cambridge heath