Macarthur comprises 31 barangays with an estimated population of 23,320. 24 of its barangays (77%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Batug | 167 | 0 | Dead zone: no towers from any source |
| Burabod | 265 | 0 | Dead zone: no towers from any source |
| Capudlosan | 620 | 0 | Dead zone: no towers from any source |
| Casuntingan | 2,448 | 0 | Dead zone: no towers from any source |
| Causwagan | 346 | 0 | Dead zone: no towers from any source |
| Danao | 356 | 0 | Dead zone: no towers from any source |
| Doña Josefa | 344 | 0 | Dead zone: no towers from any source |
| General Luna | 1,209 | 0 | Dead zone: no towers from any source |
| Kiling | 1,409 | 0 | Dead zone: no towers from any source |
| Lanawan | 14 | 0 | Dead zone: no towers from any source |
| Liwayway | 391 | 0 | Dead zone: no towers from any source |
| Maya | 268 | 0 | Dead zone: no towers from any source |
| Oguisan | 318 | 0 | Dead zone: no towers from any source |
| Osmeña | 1,057 | 0 | Dead zone: no towers from any source |
| Palale 1 | 890 | 0 | Dead zone: no towers from any source |
| Palale 2 | 655 | 0 | Dead zone: no towers from any source |
| Poblacion District 1 | 1,923 | 0 | Dead zone: no towers from any source |
| Poblacion District 2 | 938 | 4 | Crowdsourced signal only (no registered tower) |
| Poblacion District 3 | 943 | 3 | Crowdsourced signal only (no registered tower) |
| Pongon | 664 | 2 | Crowdsourced signal only (no registered tower) |
| Quezon | 990 | 0 | Dead zone: no towers from any source |
| Romualdez | 250 | 2 | Crowdsourced signal only (no registered tower) |
| Salvacion | 191 | 0 | Dead zone: no towers from any source |
| San Antonio | 585 | 0 | Dead zone: no towers from any source |
| San Isidro | 738 | 1 | Crowdsourced signal only (no registered tower) |
| San Pedro | 586 | 2 | Crowdsourced signal only (no registered tower) |
| San Vicente | 38 | 0 | Dead zone: no towers from any source |
| Santa Isabel | 728 | 0 | Dead zone: no towers from any source |
| Tinawan | 1,970 | 0 | Dead zone: no towers from any source |
| Tuyo | 1,729 | 3 | Crowdsourced signal only (no registered tower) |
| Villa Imelda | 290 | 0 | Dead zone: no towers from any source |