City of Calapan (Capital) comprises 62 barangays with an estimated population of 137,466. 14 of its barangays (23%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balingayan | 2,276 | 2 | Verified coverage (NTC + crowdsourced) |
| Balite | 3,791 | 10 | Verified coverage (NTC + crowdsourced) |
| Baruyan | 3,214 | 3 | Registered tower only (not crowd-verified) |
| Batino | 1,207 | 0 | Dead zone: no towers from any source |
| Bayanan I | 1,125 | 2 | Crowdsourced signal only (no registered tower) |
| Bayanan II | 2,410 | 1 | Registered tower only (not crowd-verified) |
| Biga | 2,955 | 10 | Crowdsourced signal only (no registered tower) |
| Bondoc | 1,133 | 0 | Dead zone: no towers from any source |
| Bucayao | 2,078 | 6 | Verified coverage (NTC + crowdsourced) |
| Buhuan | 422 | 0 | Dead zone: no towers from any source |
| Bulusan | 6,895 | 3 | Verified coverage (NTC + crowdsourced) |
| Calero (Pob.) | 606 | 1 | Verified coverage (NTC + crowdsourced) |
| Camansihan | 2,192 | 1 | Registered tower only (not crowd-verified) |
| Camilmil | 2,639 | 6 | Verified coverage (NTC + crowdsourced) |
| Canubing I | 5,767 | 1 | Registered tower only (not crowd-verified) |
| Canubing II | 2,197 | 2 | Registered tower only (not crowd-verified) |
| Comunal | 1,136 | 2 | Verified coverage (NTC + crowdsourced) |
| Guinobatan | 4,704 | 9 | Verified coverage (NTC + crowdsourced) |
| Gulod | 653 | 0 | Dead zone: no towers from any source |
| Gutad | 3,338 | 1 | Registered tower only (not crowd-verified) |
| Ibaba East (Pob.) | 305 | 3 | Crowdsourced signal only (no registered tower) |
| Ibaba West (Pob.) | 225 | 0 | Dead zone: no towers from any source |
| Ilaya (Pob.) | 2,089 | 5 | Crowdsourced signal only (no registered tower) |
| Lalud | 2,961 | 3 | Verified coverage (NTC + crowdsourced) |
| Lazareto | 5,854 | 2 | Verified coverage (NTC + crowdsourced) |
| Libis (Pob.) | 338 | 2 | Crowdsourced signal only (no registered tower) |
| Lumangbayan | 6,745 | 16 | Verified coverage (NTC + crowdsourced) |
| Mahal Na Pangalan | 366 | 1 | Registered tower only (not crowd-verified) |
| Maidlang | 826 | 3 | Registered tower only (not crowd-verified) |
| Malad | 1,372 | 1 | Crowdsourced signal only (no registered tower) |
| Malamig | 2,141 | 1 | Verified coverage (NTC + crowdsourced) |
| Managpi | 3,359 | 2 | Registered tower only (not crowd-verified) |
| Masipit | 3,858 | 1 | Verified coverage (NTC + crowdsourced) |
| Nag-Iba I | 1,040 | 0 | Dead zone: no towers from any source |
| Nag-Iba II | 1,212 | 1 | Registered tower only (not crowd-verified) |
| Navotas | 989 | 0 | Dead zone: no towers from any source |
| Pachoca | 4,617 | 3 | Verified coverage (NTC + crowdsourced) |
| Palhi | 4,062 | 2 | Registered tower only (not crowd-verified) |
| Panggalaan | 896 | 4 | Crowdsourced signal only (no registered tower) |
| Parang | 4,014 | 2 | Registered tower only (not crowd-verified) |
| Patas | 1,199 | 0 | Dead zone: no towers from any source |
| Personas | 701 | 1 | Registered tower only (not crowd-verified) |
| Puting Tubig | 3,043 | 9 | Verified coverage (NTC + crowdsourced) |
| Salong | 1,477 | 11 | Crowdsourced signal only (no registered tower) |
| San Antonio | 1,439 | 1 | Verified coverage (NTC + crowdsourced) |
| San Vicente Central (Pob.) | 198 | 0 | Dead zone: no towers from any source |
| San Vicente East (Pob.) | 956 | 5 | Crowdsourced signal only (no registered tower) |
| San Vicente North (Pob.) | 236 | 2 | Crowdsourced signal only (no registered tower) |
| San Vicente South (Pob.) | 557 | 3 | Crowdsourced signal only (no registered tower) |
| San Vicente West (Pob.) | 146 | 0 | Dead zone: no towers from any source |
| Sapul | 1,541 | 52 | Verified coverage (NTC + crowdsourced) |
| Silonay | 255 | 1 | Registered tower only (not crowd-verified) |
| Sta. Cruz | 842 | 3 | Crowdsourced signal only (no registered tower) |
| Sta. Isabel | 5,555 | 5 | Verified coverage (NTC + crowdsourced) |
| Sta. Maria Village | 2,084 | 0 | Dead zone: no towers from any source |
| Sta. Rita (Bungahan) | 3,548 | 3 | Verified coverage (NTC + crowdsourced) |
| Sto. Niño | 3,648 | 14 | Verified coverage (NTC + crowdsourced) |
| Suqui | 4,208 | 8 | Verified coverage (NTC + crowdsourced) |
| Tawagan | 2,258 | 0 | Dead zone: no towers from any source |
| Tawiran | 4,000 | 5 | Verified coverage (NTC + crowdsourced) |
| Tibag | 1,348 | 0 | Dead zone: no towers from any source |
| Wawa | 220 | 0 | Dead zone: no towers from any source |