857 Area Code Fax Number
Get a dedicated fax number in the Boston overlay with 617.
Receive faxes directly in your inbox — no fax machine needed.
About the 857 Area Code
The 857 area code is the overlay for 617 across Boston, Cambridge, and Somerville. The area's biotech and finance sectors produce heavy fax traffic, from research and compliance paperwork to signed agreements. Law offices and government agencies in Boston and Cambridge fax time-sensitive filings and official correspondence to keep a documented record of delivery. Send FAX Mail gives Massachusetts professionals a quick, low-cost way to send those faxes from any device, with no machine in the office.
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Get a 857 fax number — no extra fees
Send FAX Mail includes your dedicated 857 fax number on every plan starting at $12.99/month. There are no activation fees and no per-number charges.
Fax.Plus charges an additional $19.99 to select your area code. With Send FAX Mail, number selection is always free.
Get your 857 number free857 Area Code Fax — FAQ
Sign up for Send FAX Mail, choose an 857 number, and start faxing by email immediately. There is no hardware to buy and no setup fee. Plans start at $12.99/mo, and you select your number at no extra charge.
Compliance records and signed agreements often have to reach regulators and partners that expect fax and a documented transmission time. A fax produces a tamper-evident report that an emailed attachment does not. For audited biotech and finance work in the 857 region, that record matters.
Yes. Attach the filing as a PDF, send it to the court or counterparty's fax number @sendfax.to, and it is delivered with confirmation. Legal offices use this for time-sensitive correspondence where the delivery timestamp is part of the record.
Yes. A fax goes straight to the receiving fax line rather than through an inbox, so it does not hit the spam filters that catch email attachments. You also get a confirmation that the document arrived.
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