| Locality | Postal Code |
|---|---|
| Acklington | NE65 |
| Acomb | NE46 |
| Akeld | NE71 |
| Allendale | NE47 |
| Allenheads | NE47 |
| Allensford | DH8 |
| Allerwash | NE47 |
| Alnham | NE66 |
| Alnmouth | NE66 |
| Alnwick | NE66 |
| Alwinton | NE65 |
| Amble | NE65 |
| Ancroft | TD15 2TE |
| Anick | NE46 |
| Ashington | NE63 |
| Ashwood Business Park | NE63 0XD |
| Bamburgh | NE69 |
| Bardon Mill | NE47 |
| Barley Meadows | NE23 |
| Barmoor | NE61 |
| Barrasford | NE48 |
| Barrasford Park | NE48 |
| Barrington Industrial Estate | NE22 7DF, NE22 7DN, NE22 … |
| Bassington Industrial Estate | NE23 |
| Beadnell | NE67 |
| Beanley | NE66 2DX |