| Area/District | Active Postcodes |
| PE1 | 2,029 |
| PE10 | 840 |
| PE11 | 1,619 |
| PE12 | 1,469 |
| PE13 | 1,350 |
| PE14 | 948 |
| PE15 | 1,124 |
| PE16 | 356 |
| PE17 | 1,834 |
| PE18 | 1,720 |
| PE19 | 2,229 |
| PE2 | 2,066 |
| PE20 | 687 |
| PE21 | 1,474 |
| PE22 | 881 |
| PE23 | 453 |
| PE24 | 606 |
| PE25 | 908 |
| PE26 | 412 |
| PE27 | 726 |
| PE28 | 1,799 |
| PE29 | 1,459 |
| PE3 | 1,051 |
| PE30 | 1,631 |
| PE31 | 985 |
| PE32 | 658 |
| PE33 | 618 |
| PE34 | 519 |
| PE35 | 15 |
| PE36 | 399 |
| PE37 | 487 |
| PE38 | 572 |
| PE4 | 767 |
| PE5 | 65 |
| PE6 | 1,222 |
| PE7 | 1,270 |
| PE8 | 803 |
| PE9 | 1,318 |
| PE99 | 14 |