(Email Address: wmsu@wmsu.edu.ph)
| OFFICE | Extension Number |
| Operator | 1000 |
| Registrar | 1001 |
| Procurement Office | 1002 |
| VPAF | 1003 |
| QMO | 1004 |
| VPAA | 1005 |
| VPRG | 1006 |
| UREC | 1007 |
| Cashier | 1008 |
| MISTO | 1009 |
| Office of The President | 1010 |
| Finance Office | 1011 |
| HRMO | 1012 |
| RESEL | 1013 |
| PAO | 1014 |
| AO | 1015 |
| COA | 1016 |
| PPES | 1017 |
| OCTA | 1019 |
| PHSI | 1020 |
| RECORDS | 1021 |
| Gate 3 | 1022 |
| Gate 6 | 1023 |
| LEGAL Office | 1024 |
| Admission Office | 1025 |
| Testing Center | 1026 |
| Library | 1027 |
| Supply Office | 1028 |
| Student Affairs | 1029 |
| Planning Office | 1030 |
| CSSPE | 1033 |
| CLA | 1034 |
| CoE | 1035 |
| CArch | 1036 |
| CLaw | 1037 |
| CPADS | 1038 |
| CTE | 1039 |
| CN | 1040 |
| CSM | 1042 |
| CAIS | 1043 |
| CSWCD | 1044 |
| CCS | 1045 |
| CMED | 1046 |
| CCJE | 1047 |
| Scholarship | 1048 |
OPERATOR: 991-1771
991-1040
991-3024
991-3025
Country Code: 063 | Area Code : 062
For callers outside the Philippines, dial +63 62 [ phone
number ]. e.g. +63629912837
For callers outside Zamboanga City, dial 062 [
phone number ]. e.g. 0629912837