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AREA CODE · MASSACHUSETTS

Area code 351

Area code 351 covers Lowell, Massachusetts. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Massachusetts Major City: Lowell Eastern Time (ET) Overlay: 351/978
01 / WHERE IT IS

Where is area code 351?

Area code 351 is assigned to Lowell and the surrounding region in Massachusetts. Calls to numbers that start with 351 are routed to this area.

Area code 351 shares its territory with 978. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Essex CountyMiddlesex CountyWorcester CountyFranklin County

Line types

  • Mobile 25%
  • Landline 73.91%
02 / MAP

Area code 351 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 Lowell

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

Local timeLowell, MA--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Lowell

WITHIN THE US351 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+1 351 XXX XXXX

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

WHATSAPP / IMESSAGE+1 351 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+1 351 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 351 555 0123
🇦🇺Australia0011 1 351 555 0123
🇯🇵Japan010 1 351 555 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 351

Share of the number blocks by carrier and line type.

Landline

Sinch
41%
Fractel
16%
CoreTel Communications
10%
AT&T
4%
Infobip
4%
Others
24%

Mobile

T-Mobile USA
48%
Sinch
22%
Verizon Wireless
17%
AT&T Mobility
9%
Boost Mobile
4%

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 351

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

PrefixTypeCityCarrier
(351) 200 Landline Ashby AT&TTC SYSTEMS, INC.
(351) 201 Mobile Danvers T-Mobile USAOMNIPOINT MIAMI E LICENSE, LLC
(351) 202 Landline Pepperell InfobipPEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
(351) 203 Landline Tyngsboro BandwidthBANDWIDTH.COM CLEC, LLC - MA
(351) 204 Landline Lawrence Metro by T-MobileMETROPCS, INC.
(351) 205 Landline Georgetown InfobipPEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
(351) 206 Landline Rockport InfobipPEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
(351) 207 Landline Georgetown ComcastCOMCAST IP PHONE, LLC
(351) 208 Mobile Lowell Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
(351) 209 Landline Acton Exiant CommunicationsEXIANT COMMUNICATIONS LLC

Showing 10 of 92 prefixes

07 / FAQ

Frequently asked questions about area code 351

Where is area code 351 used?
Area code 351 serves Lowell and the surrounding area in Massachusetts, including Essex County, Middlesex County, Worcester County, Franklin County.
What city is area code 351 from?
The main city of area code 351 is Lowell, MA.
What time zone is area code 351 in?
Area code 351 is in the Eastern Time (ET) time zone (America/New_York).
Is 351 an overlay area code?
Yes. It shares its territory with 978. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 351 from the United States?
Dial the 10 digits: 351 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 351 number from another country?
Dial your country's exit code (or +), then 1, then 351 and the seven-digit number. From a mobile you can use +1 351 XXX XXXX.
Which carriers use area code 351?
Most landline blocks belong to Sinch and most mobile blocks to T-Mobile USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 351 for landlines, mobiles or both?
Both. About 73.91% of the number blocks are landline, 25% mobile.
How do I save a 351 number in WhatsApp or my phone?
Save it in international format: +1 351 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 351?
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

Nearby area codes

603Manchester, NH401Providence, RI860Hartford, CT959Hartford, CT802Burlington, VT518Albany, NY

Other area codes in Massachusetts

339 · Boston413 · Springfield508 · Worcester617 · Boston774 · Worcester781 · Quincy857 · Boston978 · Lowell

View all Massachusetts area codes →