A1 coverage map
Check the A1 coverage map anywhere in Bulgaria. Sogudo shows estimated A1 4G and 5G network coverage at street level - computed from public antenna data, so you can see what A1 actually delivers at your address before you commit.
How good is A1 coverage?
A1 has one of the largest networks in Bulgaria, with solid 4G reach beyond the cities and growing 5G in larger towns. But A1 coverage changes from street to street - use the map above to check the expected signal exactly where you need it.
A1 5G coverage
Switch the map to 5G to see A1 5G coverage areas. Where 5G is unavailable, the phone falls back to A1 4G. The A1 5G map is modeled from antenna data and updated monthly.
Check A1 coverage at your address
Enter an address or postcode and Sogudo shows the expected A1 coverage and network type at that exact point. Move the marker to compare neighbouring streets - useful for a new flat, office or trip.
A1 compared with Vivacom, Telenor
The best network depends on location. Compare the A1 coverage map with Vivacom, Telenor at the same address to see who delivers the strongest signal where you are.
Frequently asked questions about A1 coverage
Does A1 have good coverage in Bulgaria?
A1 ranks No. 0 of 0 in Bulgaria by site count. That is the national picture: coverage still changes street by street, so search your own address on the map above.
Does A1 offer 5G in Bulgaria?
No. Our data shows no 5G network for A1 in Bulgaria.
Is the A1 map up to date?
The map is built from antenna data dated , and the A1 network facts were last verified on . Sogudo does not resell A1 data.
Is Sogudo affiliated with A1?
No. Sogudo is independent and computes coverage from public antenna data.