Broadband and mobile providers with live chat

Phone 0330 1234 150 (150 from a BT line): Mon–Fri 8am–9pm, weekends and bank holidays 8am–8pm.
Text HELP to 61998 (broadband tech support).
BT Community: community.bt.com

Phone (mobile): 150 from your EE mobile, or 07953 966 150 from any other phone. Mon–Fri 8am–9pm, Sat–Sun 8am–8pm.
Phone (broadband and landline): 150 from your EE mobile, or 0330 123 1105 from any other phone. Mon–Fri 8am–9pm, Sat–Sun 8am–8pm.
Digital call menu: text HELLO to 150 from your EE mobile.
Complaints form: online complaints form, linked from EE's Make a complaint page (EE says it currently replies within 7 days).
Post: EE Customer Services, 6 Camberwell Way, Sunderland, Tyne and Wear SR3 3XN.

NOW Broadband members: phone support 8am–8pm, 7 days a week. The number is shown after you sign in to your NOW account.

Pay Monthly 202: Mon–Fri 8am–9pm, Sat 8am–8pm, Sun 8am–6pm.
Pay As You Go 4445: same hours.

Phone (Sky Broadband and Talk): 0333 759 0732, shown on Sky's How to make a Sky complaint page (hours not published there). Sky says calls to 03 numbers cost the same as 01 or 02 numbers, and are included for Sky Mobile and Sky Talk customers.
Form: Mail us online form, on the same Sky help page.
Community: Sky Community (helpforum.sky.com), for help from other Sky customers.
In person: Sky Stores, via the store finder on Sky's Contacting Sky page.

Phone: 0345 172 0088, Mon–Sat 9am–7pm.
Text Relay: 18001 0345 172 0088.
Email: heretohelp@talktalkplc.com.

Phone 333 from a Three phone, or 0333 338 1001: Mon–Fri 8am–8pm, Sat–Sun 9am–6pm.

WhatsApp 07305 327 112: Mon–Fri 7am–11pm, Sat–Sun 8am–8pm.
Phone 150 from a Virgin Media landline, or 0345 454 1111: Mon–Fri 8am–9pm, Sat–Sun 8am–6pm.

Phone 191 from a Vodafone mobile, or 0333 304 0191: Mon–Fri 8am–10pm, weekends 8am–8pm.