Banna (Espiritu) comprises 20 barangays with an estimated population of 20,877. 17 of its barangays (85%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balioeg | 442 | 0 | Dead zone: no towers from any source |
| Bangsar | 1,039 | 0 | Dead zone: no towers from any source |
| Barbarangay | 668 | 0 | Dead zone: no towers from any source |
| Binacag | 848 | 0 | Dead zone: no towers from any source |
| Bomitog | 2,258 | 0 | Dead zone: no towers from any source |
| Bugasi | 1,897 | 0 | Dead zone: no towers from any source |
| Caestebanan | 568 | 0 | Dead zone: no towers from any source |
| Caribquib | 1,438 | 0 | Dead zone: no towers from any source |
| Catagtaguen | 1,324 | 0 | Dead zone: no towers from any source |
| Crispina | 624 | 0 | Dead zone: no towers from any source |
| Hilario (Pob.) | 940 | 0 | Dead zone: no towers from any source |
| Imelda | 832 | 0 | Dead zone: no towers from any source |
| Lorenzo (Pob.) | 968 | 0 | Dead zone: no towers from any source |
| Macayepyep | 954 | 1 | Crowdsourced signal only (no registered tower) |
| Marcos (Pob.) | 1,514 | 1 | Crowdsourced signal only (no registered tower) |
| Nagpatayan | 1,350 | 0 | Dead zone: no towers from any source |
| Sinamar | 954 | 0 | Dead zone: no towers from any source |
| Tabtabagan | 1,059 | 0 | Dead zone: no towers from any source |
| Valdez | 218 | 0 | Dead zone: no towers from any source |
| Valenciano (Pob.) | 982 | 1 | Crowdsourced signal only (no registered tower) |