628 Area Code Fax Number
Get a dedicated fax number in the San Francisco overlay with 415.
Receive faxes directly in your inbox — no fax machine needed.
About the 628 Area Code
The 628 area code overlays 415 across San Francisco and reaches Daly City and San Rafael, a market driven by technology and finance. Physicians and clinics in the city fax patient records to specialists, insurers, and pharmacies every day while staying inside HIPAA. Government offices and law firms in Daly City use fax for official correspondence and signed filings that need a legally recognized delivery record. Send FAX Mail gives California professionals a 628 number that runs entirely from email for $12.99/mo.
Cities served
Get a 628 fax number — no extra fees
Send FAX Mail includes your dedicated 628 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 628 number free628 Area Code Fax — FAQ
628 is an overlay added on top of 415, meaning new numbers in San Francisco carry the 628 prefix while existing lines keep 415. Both serve the same city and nearby areas like Daly City and San Rafael. A 628 number from Send FAX Mail reads as local to the same region 415 covers.
Courts, agencies, and law firms in San Francisco use fax because it produces a legally recognized transmission record that email cannot match. Filing deadlines, subpoenas, and official notices in the 628 area go out by fax to build an auditable chain of custody. Send FAX Mail handles these from your inbox with delivery confirmation included.
Yes. Attach your document to an email, send it to the recipient's fax number @sendfax.to, and the platform delivers it. No fax machine is needed, and you can send from any device. Confirmation usually returns within minutes.
Plans start at $12.99/mo with one number and 600 pages a month, and a San Francisco office that needs more moves up to a larger plan rather than paying per page. Selecting your specific 628 number is free. Healthcare practices with HIPAA requirements typically choose the $79.99 Business plan.
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