| Sr. No. | City |
|---|---|
| 326 | OSSETT |
| 327 | OSWESTRY |
| 328 | OTLEY |
| 329 | OXFORD |
| 330 | PAISLEY |
| 331 | PEEBLES |
| 332 | PENICUIK |
| 333 | PERSHORE |
| 334 | PERTH |
| 335 | PETERBOROUGH |
| 336 | PETERHEAD |
| 337 | PETERSFIELD |
| 338 | PINNER |
| 339 | PITLOCHRY |
| 340 | PITSEA |
| 341 | PLYMOUTH |
| 342 | POOLE |
| 343 | PORT GLASGOW |
| 344 | PORTSMOUTH |
| 345 | POTTERS BAR |
| 346 | PRESTATYN |
| 347 | PRESTON |
| 348 | PRESTWICH |
| 349 | PRESTWICK |
| 350 | PRINCES RISBOROUGH |