Get a local business phone number in Epsom, NH

Epsom area codes

Epsom, in Merrimack County, New Hampshire, had a Census-estimated population of 5,020 in July 2024. All 2 exchanges NANPA lists for its rate center are in area code 603. Epsom is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 603 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Epsom exchanges by carrier

2 carriers hold the 2 exchanges assigned to Epsom's rate center. Consolidated Comm of No. New England-nh has the most, with 1. 2 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Exchanges (NPA-NXX) assigned in Epsom

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Epsom. The earliest assignment date recorded in the file for these codes is 2009. None were assigned in 2020 or later.

What makes a number local to Epsom

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

Keeping an existing Epsom number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 603 when you pick it.

The local business market

Epsom is part of the Concord, NH micropolitan area, home to 158,000 people in 2024. County Business Patterns counted 4,213 business establishments in the Concord, NH micropolitan area in 2023, employing 62,841 people. The largest sectors by establishment count are construction (546), retail trade (545), and other services (except public administration) (536).

Business phone service in Epsom

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 Epsom 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 15 users, the rounded average establishment size in the Concord, NH micropolitan area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.