Get a local business phone number in Hanover, NH

What area code is Hanover, NH?

Hanover, in Grafton County, New Hampshire, had a Census-estimated population of 12,005 in July 2024. All 8 exchanges NANPA lists for its rate center are in area code 603. Hanover 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).

Hanover exchanges by carrier

3 carriers hold the 8 exchanges assigned to Hanover's rate center. Consolidated Comm of No. New England-nh has the most, with 6. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Hanover can come from any of these blocks; once it is yours, porting lets it move between providers.

Hanover phone prefixes

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Hanover's rate center (HANOVER). The earliest assignment date recorded in the file for these codes is 2006. None were assigned in 2020 or later.

When Hanover's exchanges were assigned

Assignment dates show when each block of Hanover numbers was added to the local supply.

What makes a number local to Hanover

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

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

Businesses around Hanover

Hanover is part of the Lebanon-Claremont, NH-VT micropolitan area, home to 225,000 people in 2024. County Business Patterns counted 6,513 business establishments in the Lebanon, NH-VT micropolitan area in 2023, employing 91,598 people. The largest sectors by establishment count are retail trade (966), construction (909), and accommodation and food services (735).

Business phone service in Hanover

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 Hanover, 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 14 users, the rounded average establishment size in the Lebanon, NH-VT micropolitan area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.