Codes According to IATA
| SNO. | Location | CityCode | CityPostCode |
|---|---|---|---|
| 1 | ABBOTTABAD GPO | 22010 | AAW |
| 2 | ATTOCK GPO | 43600 | ATG |
| 3 | BADIN GPO | 72200 | BDN |
| 4 | BAHAWAL NAGAR GPO | 62300 | WGB |
| 5 | BAHAWALPUR GPO | 63100 | BHV |
| 6 | BANNU GPO | 28100 | BNP |
| 7 | CHILAS GPO | 14100 | CHB |
| 8 | CHITRAL GPO | 17200 | CJL |
| 9 | DADU GPO | 76200 | DDU |
| 10 | DALBANDIN GPO | 95100 | DBA |
| 11 | DERA GHAZI KHAN GPO | 32200 | DEA |
| 12 | DERA ISMAIL KHAN GPO | 29050 | DSK |
| 13 | FAISALABAD G.P.O | 38000 | LYP |
| 14 | GILGIT GPO | 15100 | GIL |
| 15 | GUJRAT GPO | 50700 | GRT |
| 16 | GAWADAR GPO | 91200 | GRT |
| 17 | HYDERABAD GPO | 71000 | HDD |
| 18 | ISLAMABAD GPO | 44000 | ISB |
| 19 | JACOBABAD GPO | 79000 | JAG |
| 20 | JIWANI GPO | 91100 | JIW |
| 21 | KALAT | 88300 | KBH |
| 22 | KARACHI ALHYDRI GPO | 74700 | KHI |
| 23 | KARACHI CITY GPO | 74000 | KHI |
| 24 | KARACHI GPO | 74200 | KHI |
| 25 | KARACHI SADDAR GPO | 74400 | KHI |
| 26 | KASUR G.P.O GPO | 55050 | KSR |
| 27 | KHAIR PUR GPO | 66020 | KPR |
| 28 | KHANEWAL GPO | 58150 | KWL |
| 29 | KHUSHAB GPO | 41000 | KHB |
| 30 | KHUZDAR GPO | 89100 | KDD |
| 31 | KOHAT GPO | 26000 | OHT |
| 32 | KOTLI (AK) GPO | 11100 | KOT |
| 33 | LAHORE CANTT. GPO | 54810 | LHE |
| 34 | LAHORE G.P.O | 54000 | LHE |
| 35 | LARKANA GPO | 77150 | LKA |
| 36 | LORALAI GPO | 84800 | LRG |
| 37 | MANDI BAHAUDDIN GPO | 50400 | MBD |
| 38 | MANGLA | 49430 | XJM |
| 39 | MANSEHRA GPO | 21300 | HRA |
| 40 | MARDAN GPO | 23200 | MDN |
| 41 | MIANWALI GPO | 42200 | MWD |
| 42 | MIRPUR GPO | 10250 | QML |
| 43 | MIRPUR KHAS GPO | 69000 | MPD |
| 44 | MOHENJODARO | 77070 | MJD |
| 45 | MULTAN GPO | 60000 | MUX |
| 46 | MURREE GPO | 47150 | MRE |
| 47 | MUZAFFARABAD GPO | 13100 | MFG |
| 48 | MUZAFFARGARH GPO | 34200 | MUZ |
| 49 | NAWABSHAH GPO | 67450 | WNS |
| 50 | NUSHKI | 95200 | NHS |
| 51 | NOWSHERA GPO | 24100 | NSH |
| 52 | OKARA GPO | 56300 | OKA |
| 53 | ORMARA | 91400 | ORW |
| 54 | PARACHINAR | 26300 | PAJ |
| 55 | PASNI | 91300 | PSI |
| 56 | PESHAWAR GPO | 25000 | PEW |
| 57 | QILA SHEIKHUPURA GPO | 39350 | QSP |
| 58 | QUETTA GPO | 87300 | UET |
| 59 | RAHIMYAR KHAN GPO | 64200 | RYK |
| 60 | RAWALKOT GPO | 12350 | RAZ |
| 61 | RAWALPINDI GPO | 46000 | RWP |
| 62 | SAHIWAL GPO | 57000 | SHW |
| 63 | SAIDU SHARIF GPO | 19200 | SDT |
| 64 | SARGODHA GPO | 40100 | SGI |
| 65 | SEHWAN SHARIF | 76140 | RZS |
| 66 | SHIKARPUR GPO | 78100 | SYW |
| 67 | SIALKOT GPO | 51310 | SKT |
| 68 | SIBI GPO | 82000 | SIB |
| 69 | SUKKUR GPO | 65200 | SKZ |
| 70 | TOBA TAKE SINGH GPO | 36050 | TTS |
| 71 | TURBAT GPO | 92600 | TUK |
| 72 | WAH CANTT. GPO | 47040 | WAC |
