Ace Signal AtlasThe Philippine connectivity encyclopedia of 42,048 barangays
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San Mariano

Municipality in Isabela · Internet connectivity overview

San Mariano comprises 36 barangays with an estimated population of 85,420. 31 of its barangays (86%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.

Barangays

BarangayPopulationTowersCoverage
Alibadabad2,5657Crowdsourced signal only (no registered tower)
Balagan1,8480Dead zone: no towers from any source
Binatug2,6280Dead zone: no towers from any source
Bitabian1,0670Dead zone: no towers from any source
Buyasan5460Dead zone: no towers from any source
Cadsalan2,1120Dead zone: no towers from any source
Casala1,5130Dead zone: no towers from any source
Cataguing4,9913Crowdsourced signal only (no registered tower)
Daragutan East1,8280Dead zone: no towers from any source
Daragutan West3,7880Dead zone: no towers from any source
Del Pilar8470Dead zone: no towers from any source
Dibuluan4,0490Dead zone: no towers from any source
Dicamay3,1890Dead zone: no towers from any source
Dipusu9540Dead zone: no towers from any source
Disulap4,6990Dead zone: no towers from any source
Disusuan1,9190Dead zone: no towers from any source
Gangalan1,0510Dead zone: no towers from any source
Ibujan8630Dead zone: no towers from any source
Libertad1,1410Dead zone: no towers from any source
Macayucayu1,5580Dead zone: no towers from any source
Mallabo4500Dead zone: no towers from any source
Marannao2,1810Dead zone: no towers from any source
Minanga7,6700Dead zone: no towers from any source
Old San Mariano2,0690Dead zone: no towers from any source
Palutan1,7300Dead zone: no towers from any source
Panninan2,0770Dead zone: no towers from any source
San Jose3,7580Dead zone: no towers from any source
San Pablo8690Dead zone: no towers from any source
San Pedro1,1810Dead zone: no towers from any source
Santa Filomina3,5084Crowdsourced signal only (no registered tower)
Tappa2,6810Dead zone: no towers from any source
Ueg4,2760Dead zone: no towers from any source
Zamora4400Dead zone: no towers from any source
Zone I (Pob.)2,4622Crowdsourced signal only (no registered tower)
Zone II (Pob.)1,6780Dead zone: no towers from any source
Zone III (Pob.)5,23411Crowdsourced signal only (no registered tower)
Last updated 3 July 2026 · Home · Terms & data policy · Facts reported neutrally; deployment analysis is available on request.