Get a local business phone number in New London, NH
New London's area code, prefixes and carriers from NANPA records, and how to put a New London number in front of your customers.
- Area code
- 603
- Exchanges
- 2NANPA-assigned
- Carriers
- 2
- Population
- 4,460Census 2024 est.
New London area codes
New London, in Merrimack County, New Hampshire, had a Census-estimated population of 4,460 in July 2024. All 2 exchanges NANPA lists for its rate center are in area code 603. New London 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 | 2 | 100% | 1947 | none | Eastern |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
New London exchanges by carrier
2 carriers hold the 2 exchanges assigned to New London's rate center. Kearsarge Tel. CO. has the most, with 1. 1 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 |
|---|---|---|
| Kearsarge Tel. CO. | 1 | 50% |
| Comcast Ip Phone, LLC | 1 | 50% |
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.
New London phone prefixes
These are the central office codes NANPA records for New London. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2009. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 603 | 526, 877 |
Source: NANPA utilized central office code file.
How local numbers work in New London
What a caller sees as "local" is the area code plus prefix. In New London, those come from the NEW LONDON rate center, as recorded by NANPA.
Keeping an existing New London 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
New London 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).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 124 | 2,444 | 19.7 |
| Landscaping services | 115 | 896 | 7.8 |
| Limited-service restaurants | 107 | 1,699 | 15.9 |
| Plumbing, heating and air-conditioning contractors | 99 | 823 | 8.3 |
| Electrical contractors | 85 | 321 | 3.8 |
| Law offices | 84 | 687 | 8.2 |
| General automotive repair shops | 81 | 338 | 4.2 |
| Child day care services | 62 | 648 | 10.5 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A New London number on Callata
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.
If you already have a number in New London, 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 15-person team is the benchmark here, the rounded average establishment size in the Concord, NH micropolitan area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. On Callata the same 15 people cost $299.00 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 | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 New London, NH?
603. All exchanges NANPA lists for New London are in 603.
How many phone companies have exchanges in New London?
2, holding 2 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing New London 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 New London?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).