United will be ball number 10 in tonight's FA Cup First Round Draw.
The draw for the First Round Proper will take place at around 7.10pm live on BT Sport before the Bishop Stortford against St Albans game. The draw will also be live on BBC Two from 7pm.
It will also be shown on the FA's Twitter and Facebook pages.
Keep an eye out on social media to find out who United will be facing.
The full list of ball numbers can be found below:
1 Accrington Stanley
2 AFC Wimbledon
3 Barrow
4 Blackpool
5 Bolton Wanderers
6 Bradford City
7 Bristol Rovers
8 Burton Albion
9 Cambridge United
10 Carlisle United
11 Charlton Athletic
12 Cheltenham Town
13 Colchester United
14 Crawley Town
15 Crewe Alexandra
16 Doncaster Rovers
17 Exeter City
18 Fleetwood Town
19 Forest Green Rovers
20 Gillingham
21 Grimsby Town
22 Harrogate Town
23 Hull City
24 Ipswich Town
25 Leyton Orient
26 Lincoln City
27 Mansfield Town
28 Milton Keynes Dons
29 Morecambe
30 Newport County
31 Northampton Town
32 Oldham Athletic
33 Oxford United
34 Peterborough United
35 Plymouth Argyle
36 Port Vale
37 Portsmouth
38 Rochdale
39 Salford City
40 Scunthorpe United
41 Shrewsbury Town
42 Southend United
43 Stevenage
44 Sunderland
45 Swindon Town
46 Tranmere Rovers
47 Walsall
48 Wigan Athletic
49 Darlington
50 Skelmersdale United
51 Solihull Moors
52 Banbury United
53 South Shields
54 Hartlepool United
55 FC United of Manchester
56 Brackley Town
57 King's Lynn Town
58 Chesterfield
59 AFC Fylde
60 Marine
61 Cray Valley
62 Canvey Island
63 Hayes & Yeading United
64 Bromley
65 Tonbridge Angels
66 Hampton & Richmond Borough
67 Woking
68 Maldon & Tiptree
69 Dagenham & Redbridge
70 Barnet
71 Oxford City
72 Eastbourne Borough
73 Eastleigh
74 Torquay United
75 Havant & Waterlooville
76 Boreham Wood
77 Yeovil Town
78 Bishop's Stortford or St Albans City
79 Concord Rangers
80 Chorley