CallataGuidesGet a local business phone number in Plymouth, NH
Plymouth's area code, prefixes and carriers from NANPA records, and how to put a Plymouth number in front of your customers.
- Area code
- 603
- Exchanges
- 10NANPA-assigned
- Carriers
- 8
- Population
- 6,621Census 2024 est.
Plymouth area codes
Plymouth town is a Census town in Grafton County, New Hampshire, with an estimated 6,621 residents in 2024. All 10 exchanges NANPA lists for its rate center are in area code 603. Plymouth 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 | 10 | 100% | 1947 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Plymouth exchanges by carrier
8 carriers hold the 10 exchanges assigned to Plymouth's rate center. Paetec Itel, LLC has the most, with 2. 8 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.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Paetec Itel, LLC | 2 | 20% |
| United States Cellular - NH | 2 | 20% |
| HD Carrier LLC | 1 | 10% |
| Bell Atlantic Mobile, INC | 1 | 10% |
| Consolidated Comm of No. New England-nh | 1 | 10% |
| Mcimetro Access Transmission Services LLC - NH | 1 | 10% |
| Freedom Ring Communications, LLC | 1 | 10% |
| Metropcs, INC. | 1 | 10% |
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 Plymouth
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Plymouth. The earliest assignment date recorded in the file for these codes is 2002. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 603 | 238, 254, 346, 412, 481, 535, 536, 779, 947, 996 |
Source: NANPA utilized central office code file.
What makes a number local to Plymouth
What a caller sees as "local" is the area code plus prefix. In Plymouth, those come from the PLYMOUTH 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.
The local business market
Plymouth 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 Plymouth
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 Plymouth 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 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. Callata comes to $279.00 a month for 14 users ($99 a month with 5 users included, then $20 per additional user), below both.
| 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 Plymouth, NH?
603. All exchanges NANPA lists for Plymouth are in 603.
How many phone companies have exchanges in Plymouth?
8, holding 10 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Plymouth 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 Plymouth?
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).