Get a local business phone number in Derry, NH

Area codes in Derry

Derry, in Rockingham County, New Hampshire, had a Census-estimated population of 34,062 in July 2024. All 29 exchanges NANPA lists for its rate center are in area code 603. Derry 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).

Phone carriers in Derry

9 carriers hold the 29 exchanges assigned to Derry's rate center. Consolidated Comm of No. New England-nh has the most, with 8. 21 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Derry can come from any of these blocks; once it is yours, porting lets it move between providers.

Local prefixes for Derry

These are the central office codes NANPA records for Derry. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 29 were assigned in 2020 or later.

When Derry's exchanges were assigned

The table groups Derry's exchanges by the decade NANPA recorded them as assigned.

How local numbers work in Derry

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

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

Who does business near Derry

Derry 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).

Setting up a Derry business line

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Porting a number you already use in Derry 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.

A 20-person team is the benchmark here, the rounded average establishment size in the Boston, MA-NH metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $600.00 a month and Ooma Office Pro $499.00. Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.