Get a local business phone number in Sudbury, MA

What area code is Sudbury, MA?

Sudbury town is a Census town in Middlesex County, Massachusetts, with an estimated 19,805 residents in 2024. All 14 exchanges NANPA lists for its rate center are in area code 978. 978 is part of an overlay with 351, so a new local number in Sudbury may carry any of those codes depending on which have numbers available. Sudbury is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 978 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Sudbury phone exchanges

8 carriers hold the 14 exchanges assigned to Sudbury's rate center. Verizon New England INC. has the most, with 5. 11 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Sudbury can come from any of these blocks; once it is yours, porting lets it move between providers.

Sudbury phone prefixes

These are the central office codes NANPA records for Sudbury. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.

Rate centers and local calling in Sudbury

What a caller sees as "local" is the area code plus prefix. In Sudbury, those come from the SUDBURY rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 978 numbers available change over time; porting an existing number is free.

Businesses around Sudbury

Sudbury is part of the Boston-Cambridge-Newton, MA-NH metro area, home to 5.0 million people in 2024. County Business Patterns counted 133,807 business establishments in the Boston, MA-NH metro area in 2023, employing 2,681,704 people. The largest sectors by establishment count are professional, scientific, and technical services (17,803), retail trade (15,568), and health care and social assistance (15,127).

A Sudbury number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

Porting a number you already use in Sudbury is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 20 users, the rounded average establishment size in the Boston, MA-NH metro area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.