Although it is called the 'first round', it is actually the seventh - and is the time when a host of non-league sides finally come up against League opposition.
United will be No.36, other balls to look out for are No.17 (Cods) and No.20 (Hull).
Another number to look out for is No.53, which will be local side Brigg Town if theyget past Conference South side Halesowen in tomorrow's match at The Hawthorns.
Those numbers in full:
1AFC BOURNEMOUTH
2BARNSLEY
3BLACKPOOL
4BOSTON UNITED
5BRADFORD CITY
6BRENTFORD
7BRISTOL CITY
8BRISTOL ROVERS
9BURY
10CAMBRIDGE UNITED
11CHELTENHAM TOWN
12CHESTER CITY
13CHESTERFIELD
14COLCHESTER UNITED
15DARLINGTON
16DONCASTER ROVERS
17GRIMSBY TOWN
18HARTLEPOOL UNITED
19HUDDERSFIELD TOWN
20HULL CITY
21KIDDERMINSTER HARRIERS
22LEYTON ORIENT
23LINCOLN CITY
24LUTON TOWN
25MACCLESFIELD TOWN
26MANSFIELD TOWN
27MILTON KEYNES DONS
28NORTHAMPTON TOWN
29NOTTS COUNTY
30OLDHAM ATHLETIC
31OXFORD UNITED
32PETERBOROUGH UNITED
33PORT VALE
34ROCHDALE
35RUSHDEN & DIAMONDS
36SCUNTHORPE UNITED
37SHEFFIELD WEDNESDAY
38SHREWSBURY TOWN
39SOUTHEND UNITED
40STOCKPORT COUNTY
41SWANSEA CITY
42SWINDON TOWN
43TORQUAY UNITED
44TRANMERE ROVERS
45WALSALL
46WREXHAM
47WYCOMBE WANDERERS
48YEOVIL TOWN
49SOUTHPORT OR HYDE UNITED
50NORTHWICH VICTORIA OR VAUXHALL MOTORS
51HINCKLEY UNITED OR BURTON ALBION
52HEREFORD UNITED OR RADCLIFFE BOROUGH
53BRIGG TOWN OR HALESOWEN TOWN
54CARLISLE UNITED OR YORK CITY
55HALIFAX TOWN OR LEEK TOWN
56TAMWORTH OR BURSCOUGH
57STAFFORD RANGERS OR GATESHEAD
58MORECAMBE OR HUCKNALL TOWN
59WORKSOP TOWN OR ALFRETON TOWN
60ACCRINGTON STANLEY OR LEIGH RMI
61LANCASTER CITY OR SCARBOROUGH
62LIVERSEDGE OR COALVILLE TOWN
63BILLERICAY TOWN OR FLACKWELL HEATH
64BARNET OR FARNBOROUGH TOWN
65THAME UNITED OR FOREST GREEN ROVERS
66CANVEY ISLAND OR HALLEN
67LYMINGTON & NEW MILTON OR WOKING
68DAGENHAM & REDBRIDGE OR CRAWLEY TOWN
69HORNCHURCH OR GRAVESEND & NORTHFLEET
70EXETER CITY OR BRAINTREE TOWN
71SLOUGH TOWN OR SALISBURY CITY
72BATH CITY OR LEATHERHEAD
73ALDERSHOT TOWN OR MAIDENHEAD UNITED
74HAYES OR ASHFORD TOWN (MIDDX)
75THURROCK OR SPALDING UNITED
76STEVENAGE BOROUGH OR HENDON
77TIVERTON TOWN OR NEWPORT COUNTY
78WEALDSTONE OR HISTON
79BROMLEY OR CAMBRIDGE CITY
80BOGNOR REGIS TOWN OR YEADING
2BARNSLEY
3BLACKPOOL
4BOSTON UNITED
5BRADFORD CITY
6BRENTFORD
7BRISTOL CITY
8BRISTOL ROVERS
9BURY
10CAMBRIDGE UNITED
11CHELTENHAM TOWN
12CHESTER CITY
13CHESTERFIELD
14COLCHESTER UNITED
15DARLINGTON
16DONCASTER ROVERS
17GRIMSBY TOWN
18HARTLEPOOL UNITED
19HUDDERSFIELD TOWN
20HULL CITY
21KIDDERMINSTER HARRIERS
22LEYTON ORIENT
23LINCOLN CITY
24LUTON TOWN
25MACCLESFIELD TOWN
26MANSFIELD TOWN
27MILTON KEYNES DONS
28NORTHAMPTON TOWN
29NOTTS COUNTY
30OLDHAM ATHLETIC
31OXFORD UNITED
32PETERBOROUGH UNITED
33PORT VALE
34ROCHDALE
35RUSHDEN & DIAMONDS
36SCUNTHORPE UNITED
37SHEFFIELD WEDNESDAY
38SHREWSBURY TOWN
39SOUTHEND UNITED
40STOCKPORT COUNTY
41SWANSEA CITY
42SWINDON TOWN
43TORQUAY UNITED
44TRANMERE ROVERS
45WALSALL
46WREXHAM
47WYCOMBE WANDERERS
48YEOVIL TOWN
49SOUTHPORT OR HYDE UNITED
50NORTHWICH VICTORIA OR VAUXHALL MOTORS
51HINCKLEY UNITED OR BURTON ALBION
52HEREFORD UNITED OR RADCLIFFE BOROUGH
53BRIGG TOWN OR HALESOWEN TOWN
54CARLISLE UNITED OR YORK CITY
55HALIFAX TOWN OR LEEK TOWN
56TAMWORTH OR BURSCOUGH
57STAFFORD RANGERS OR GATESHEAD
58MORECAMBE OR HUCKNALL TOWN
59WORKSOP TOWN OR ALFRETON TOWN
60ACCRINGTON STANLEY OR LEIGH RMI
61LANCASTER CITY OR SCARBOROUGH
62LIVERSEDGE OR COALVILLE TOWN
63BILLERICAY TOWN OR FLACKWELL HEATH
64BARNET OR FARNBOROUGH TOWN
65THAME UNITED OR FOREST GREEN ROVERS
66CANVEY ISLAND OR HALLEN
67LYMINGTON & NEW MILTON OR WOKING
68DAGENHAM & REDBRIDGE OR CRAWLEY TOWN
69HORNCHURCH OR GRAVESEND & NORTHFLEET
70EXETER CITY OR BRAINTREE TOWN
71SLOUGH TOWN OR SALISBURY CITY
72BATH CITY OR LEATHERHEAD
73ALDERSHOT TOWN OR MAIDENHEAD UNITED
74HAYES OR ASHFORD TOWN (MIDDX)
75THURROCK OR SPALDING UNITED
76STEVENAGE BOROUGH OR HENDON
77TIVERTON TOWN OR NEWPORT COUNTY
78WEALDSTONE OR HISTON
79BROMLEY OR CAMBRIDGE CITY
80BOGNOR REGIS TOWN OR YEADING