Urbiztondo comprises 21 barangays with an estimated population of 49,085. 19 of its barangays (90%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Angatel | 3,231 | 1 | Crowdsourced signal only (no registered tower) |
| Balangay | 973 | 0 | Dead zone: no towers from any source |
| Batancaoa | 3,029 | 0 | Dead zone: no towers from any source |
| Baug | 3,691 | 0 | Dead zone: no towers from any source |
| Bayaoas | 4,018 | 0 | Dead zone: no towers from any source |
| Bituag | 2,421 | 0 | Dead zone: no towers from any source |
| Camambugan | 2,736 | 0 | Dead zone: no towers from any source |
| Dalanguiring | 3,155 | 0 | Dead zone: no towers from any source |
| Duplac | 595 | 0 | Dead zone: no towers from any source |
| Galarin | 2,226 | 0 | Dead zone: no towers from any source |
| Gueteb | 759 | 0 | Dead zone: no towers from any source |
| Malaca | 1,230 | 0 | Dead zone: no towers from any source |
| Malayo | 2,531 | 0 | Dead zone: no towers from any source |
| Malibong | 1,337 | 0 | Dead zone: no towers from any source |
| Pasibi East | 1,298 | 0 | Dead zone: no towers from any source |
| Pasibi West | 879 | 0 | Dead zone: no towers from any source |
| Pisuac | 3,752 | 0 | Dead zone: no towers from any source |
| Poblacion | 4,426 | 1 | Crowdsourced signal only (no registered tower) |
| Real | 3,492 | 0 | Dead zone: no towers from any source |
| Salavante | 1,412 | 0 | Dead zone: no towers from any source |
| Sawat | 1,894 | 0 | Dead zone: no towers from any source |