South Cotabato Zip Codes
* 9511: Banga
* 9500: General Santos City (Dadiangas)
* 9506: Koronadal City
* 9508: Norala
* 9504: Polomolok
* 9509: Sto. Niño
* 9512: Surallah
* 9507: Tampakan
* 9510: Tantangan
* 9513: T’Boli
* 9505: Tupi

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Maguindanao Zip Codes
* 9600: Cotabato City
* 9609: Ampatuan
* 9614: Barira
* 9615: Buldon
* 9616: Buluan
* 9617: Datu Paglas
* 9607: Datu Piang
* 9601: Dinaig
* 9618: Gen. S.K. Datun
* 9606: Kabuntulan
* 9608: Maganoy
* 9613: Matanog
* 9610: Pagalungan
* 9604: Parang
* 9603: South Upi
* 9605: Sultan Kudarat
* 9611: Sultan sa Barongis
* 9612: Talayan
* 9602: Upi

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Cotabato Zip Codes
* 9413: Alamada
* 9415: Aleosan
* 9414: Antipas
* 9417: Arakan
* 9416: Banisilan
* 9408: Carmen
* 9407: Kabacan
* 9400: Kidapawan City
* 9411: Libungan
* 9404: Magpet
* 9401: Makilala
* 9406: Matalam
* 9410: Midsayap
* 9402: M’Lang
* 9412: Pigkawayan
* 9409: Pikit
* 9405: President Roxas
* 9403: Tulunan

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