Bulgarian ARFCN list

A mostly complete dataset of Bulgarian mobile network data carriers by their NR/EARFCN.


An ARFCN is an acronym which stands for absolute radio frequency channel number. This is a unique number which can represent any valid radio frequency covered by the appropriate 3GPP radio access technology (RAT) specification.

ARFCN can be prefixed with characters to show which RAT they are representing. NR ARFCNs are for 5G/NR, EARFCNs are for EUTRA (4G/LTE), UARFCNs are for UMTS (3G) and ARFCNs are for GSM (2G).

In 4G LTE and previous generations of RAT, ARFCNs represented the centre of a carrier band, but with 5G NR this changed to the NR ARFCN representing any frequency within the network's carrier, and the centre point is often determined using an offset sent in the SIB1.

Bulgarian ARFCN table

Radio access technology (RAT)


EARFCN Bandwidth Band Operator Description
10020 MHzB1Yettel BulgariaStandard B1 deployment
10015 MHzB1Yettel BulgariaB1 deployment
10010 MHzB1Yettel BulgariaIndoor and metro B1 deployment
27515 MHzB1A1 BulgariaIndoor and metro deployment (with UMTS B1 5 MHz)
30020 MHzB1A1 BulgariaStandard B1 deployment
50020 MHzB1VivacomTest B1 20 MHz deployment
52515 MHzB1VivacomStandard B1 deployment
55010 MHzB1VivacomB1 deployment in Sofia metro lines 1, 2 and 4 (with UMTS B1 10 MHz)
130020 MHzB3A1 BulgariaStandard B3 deployment
155020 MHzB3Yettel BulgariaStandard B3 deployment
180020 MHzB3VivacomStandard B3 deployment, with n3 DSS in urban areas and on highways
295020 MHzB7A1 BulgariaStandard B7 deployment
315020 MHzB7Yettel BulgariaStandard B7 deployment
335020 MHzB7VivacomStandard B7 deployment
35165 MHzB8VivacomStandard 5 MHz B8 deployment
36784.6 MHzB8A1 BulgariaStandard B8 deployment - signalled as 5 MHz, operating on 4.6 MHz of spectrum due to LTE's 0.5 MHz guard band for 5 MHz bandwidth.
37743, 5 MHzB8Yettel BulgariaB8 deployment, usually with 5 MHz bandwidth
37803 MHzB8Yettel BulgariaB8 3 MHz deployment