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AREA CODE · MASSACHUSETTS

Area code 617

Area code 617 covers Boston, Massachusetts. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Massachusetts Major City: Boston Eastern Time (ET) Overlay: 617/857
01 / WHERE IT IS

Where is area code 617?

Area code 617 is assigned to Boston and the surrounding region in Massachusetts. Calls to numbers that start with 617 are routed to this area.

Area code 617 shares its territory with 857. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Suffolk CountyMiddlesex CountyNorfolk County

Line types

  • Mobile 18.29%
  • Landline 81.45%
02 / MAP

Area code 617 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Boston

This area code is in the Eastern Time (ET) time zone.

Local timeBoston, MA--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Boston

WITHIN THE US617 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 617 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 617 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 617 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 617 555 0123
🇦🇺Australia0011 1 617 555 0123
🇯🇵Japan010 1 617 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 617

Share of the number blocks by carrier and line type.

Landline

Verizon
52%
Verizon Business
11%
Windstream Communications
7%
AT&T
7%
Lumen Technologies
6%
Others
17%

Mobile

AT&T Mobility
48%
Verizon Wireless
27%
T-Mobile USA
22%
USA Mobility
2%
NEP
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 617

771 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(617) 201 Mobile Cambridge T-Mobile USAOMNIPOINT MIAMI E LICENSE, LLC
(617) 202 Landline Brighton Windstream CommunicationsPAETEC ITEL, LLC
(617) 203 Landline Everett Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(617) 204 Landline Boston VerizonVERIZON NEW ENGLAND INC.
(617) 205 Landline Boston NORFOLK COUNTY INTERNETNORFOLK COUNTY INTERNET, INC.
(617) 206 Landline Brighton Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(617) 207 Landline Winthrop ComcastCOMCAST IP PHONE, LLC
(617) 208 Landline Brighton Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(617) 209 Landline Belmont Astound BroadbandRCN TELECOM SERVICES, INC. - MA
(617) 210 Landline Boston VerizonVERIZON NEW ENGLAND INC.

Showing 10 of 771 prefixes

07 / FAQ

Frequently asked questions about area code 617

Where is area code 617 used?
Area code 617 serves Boston and the surrounding area in Massachusetts, including Suffolk County, Middlesex County, Norfolk County.
What city is area code 617 from?
The main city of area code 617 is Boston, MA.
What time zone is area code 617 in?
Area code 617 is in the Eastern Time (ET) time zone (America/New_York).
Is 617 an overlay area code?
Yes. It shares its territory with 857. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 617 from the United States?
Dial the 10 digits: 617 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 617 number from another country?
Dial your country's exit code (or +), then 1, then 617 and the seven-digit number. From a mobile you can use +1 617 XXX XXXX.
Which carriers use area code 617?
Most landline blocks belong to Verizon and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 617 for landlines, mobiles or both?
Both. About 81.45% of the number blocks are landline, 18.29% mobile.
How do I save a 617 number in WhatsApp or my phone?
Save it in international format: +1 617 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 617?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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Other area codes in Massachusetts

339 · Boston351 · Lowell413 · Springfield508 · Worcester774 · Worcester781 · Quincy857 · Boston978 · Lowell

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