Get a local business phone number in Northfield, MA

What area code is Northfield, MA?

With 2,880 residents in the Census 2024 estimate, Northfield sits in Franklin County, Massachusetts. All 5 exchanges NANPA lists for its rate center are in area code 413. Northfield is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 413 are dialed as seven digits and toll calls as 1 plus ten digits.

Who holds Northfield phone exchanges

5 carriers hold the 5 exchanges assigned to Northfield's rate center. TC Systems, INC. has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Local prefixes for Northfield

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Northfield's rate center (NORTHFIELD). The earliest assignment date recorded in the file for these codes is 2021. 1 of the 5 were assigned in 2020 or later.

Rate centers and local calling in Northfield

NANPA ties every exchange to a rate center. For Northfield that is NORTHFIELD, so a number from one of these exchanges reads as local to people in and around Northfield.

If your business already has a Northfield number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Who does business near Northfield

Northfield is part of the Greenfield, MA micropolitan area, home to 70,871 people in 2024. County Business Patterns counted 1,549 business establishments in the Greenfield, MA micropolitan area in 2023, employing 19,141 people. The largest sectors by establishment count are retail trade (246), other services (except public administration) (182), and construction (173).

Setting up a Northfield business line

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.

If you already have a number in Northfield, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 12 users, the rounded average establishment size in the Greenfield, MA micropolitan area. At list prices checked September 28, 2026, that is $299.40 a month on Ooma Office Pro and $360.00 on RingCentral RingEX Core. On Callata the same 12 people cost $239.00 a month, less than either per-seat plan.