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