CallataGuidesGet a local business phone number in Sunapee, NH
Sunapee's area code, prefixes and carriers from NANPA records, and how to put a Sunapee number in front of your customers.
- Area code
- 603
- Exchanges
- 5NANPA-assigned
- Carriers
- 5
- Population
- 3,459Census 2024 est.
Sunapee area codes
Sunapee town is a Census town in Sullivan County, New Hampshire, with an estimated 3,459 residents in 2024. All 5 exchanges NANPA lists for its rate center are in area code 603. Sunapee 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).
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 603 | 5 | 100% | 1947 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Sunapee
5 carriers hold the 5 exchanges assigned to Sunapee's rate center. TDS Metrocom, LLC has the most, with 1. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Sunapee can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| TDS Metrocom, LLC | 1 | 20% |
| United States Cellular - NH | 1 | 20% |
| Consolidated Comm of No. New England-nh | 1 | 20% |
| Mcimetro Access Transmission Services LLC - NH | 1 | 20% |
| Level 3 Communications, LLC - NH | 1 | 20% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Exchanges (NPA-NXX) assigned in Sunapee
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Sunapee's rate center (SUNAPEE). None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 603 | 414, 454, 763, 829, 873 |
Source: NANPA utilized central office code file.
What makes a number local to Sunapee
What a caller sees as "local" is the area code plus prefix. In Sunapee, those come from the SUNAPEE rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 603 numbers available change over time; porting an existing number is free.
Businesses around Sunapee
Sunapee 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).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 234 | 3,792 | 16.2 |
| Landscaping services | 205 | 824 | 4.0 |
| Residential remodelers | 170 | 530 | 3.1 |
| Limited-service restaurants | 157 | 1,911 | 12.2 |
| Site preparation contractors | 133 | 534 | 4.0 |
| Electrical contractors | 121 | 556 | 4.6 |
| Plumbing, heating and air-conditioning contractors | 113 | 594 | 5.3 |
| General automotive repair shops | 112 | 361 | 3.2 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Sunapee
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 Sunapee, 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.
A 14-person team is the benchmark here, the rounded average establishment size in the Lebanon, NH-VT micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $420.00 a month and Ooma Office Pro $349.30. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Sunapee, NH?
603. All exchanges NANPA lists for Sunapee are in 603.
How many phone companies have exchanges in Sunapee?
5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Sunapee business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Sunapee?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).