Coverage Areas For Slovakia LOCATIONS IN SLOVAKIA Phone Type Location Area Codes (NPX) Can I Keep My # ? VoIP (SIP) Banska Bystrica  48 We Dont Support LNP VoIP (SIP) Bratislava  2 We Dont Support LNP VoIP (SIP) Kosice  55 We Dont Support LNP VoIP (SIP) Nitra  37 We Dont Support LNP VoIP (SIP) Presov  51 We Dont Support LNP VoIP (SIP) Zilina  41 We Dont Support LNP         This page is being updated constantly, if we don't have coverage in your area currently, please check back often as we will keep this page updated each time a new area is added to our network.