| Locality | Post Code |
|---|---|
| Allin, McLean | 61774 |
| Anchor, McLean | 61720 |
| Arrowsmith, McLean | 61722 |
| Barnes, McLean | 61701 |
| Bellflower, McLean | 61724 |
| Bloomington, McLean | 61701, 61702, 61704, 61705 |
| Bloomington Heights, McLean | 61701 |
| Carlock, McLean | 61725 |
| Chenoa, McLean | 61726 |
| Colfax, McLean | 61728 |
| Cooksville, McLean | 61730 |
| Covell, McLean | 61704 |
| Cropsey, McLean | 61731 |
| Danvers, McLean | 61732 |
| Dawson, McLean | 61737 |
| Downs, McLean | 61736 |
| Eastland Commons, McLean | 61701 |
| Ellsworth, McLean | 61737 |
| Fletcher, McLean | 61701 |
| Funks Grove, McLean | 61754 |
| Gillum, McLean | 61701 |
| Glen Avon, McLean | 61724 |
| Gridley, McLean | 61744 |
| Heyworth, McLean | 61745 |
| Hilltop, McLean | 61753 |
| Holder, McLean | 61736 |