CallataGuidesGet a local business phone number in La Plata, MD
La Plata's area codes, prefixes and carriers from NANPA records, and how to put a La Plata number in front of your customers.
- Area code
- 240 / 301
- Exchanges
- 11NANPA-assigned
- Carriers
- 9
- Population
- 11,374Census 2024 est.
What area code is La Plata, MD?
La Plata town is a Census place in Charles County, Maryland, with an estimated 11,374 residents in 2024. NANPA lists 11 exchanges for its rate center across 2 area codes; 240 has the most (8, 73%). 240 is part of an overlay with 227 and 301, so a new local number in La Plata may carry any of those codes depending on which have numbers available. La Plata is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 240 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Phone carriers in La Plata
9 carriers hold the 11 exchanges assigned to La Plata's rate center. Peerless Network of Maryland, LLC has the most, with 2. 10 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in La Plata can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Peerless Network of Maryland, LLC | 2 | 18% |
| Verizon Maryland, INC. | 2 | 18% |
| Onvoy, LLC - MD | 1 | 9.1% |
| Mcimetro Access Transmission Services LLC | 1 | 9.1% |
| Core Communications, Inc.- MD | 1 | 9.1% |
| Level 3 Communications, LLC - MD | 1 | 9.1% |
| Centurylink Communications, LLC | 1 | 9.1% |
| Bandwidth.com CLEC, LLC - MD | 1 | 9.1% |
| Teleport Communications America, LLC - DC | 1 | 9.1% |
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.
Local prefixes for La Plata
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to La Plata. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 11 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 240 | 208, 349, 352, 523, 622, 776, 901, 955 |
| 301 | 392, 539, 934 |
Source: NANPA utilized central office code file.
When La Plata's exchanges were assigned
The table groups La Plata's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 25% |
| 2010s | 2 | 50% |
| 2020s | 1 | 25% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in La Plata
NANPA ties every exchange to a rate center. For La Plata that is LA PLATA, so a number from one of these exchanges reads as local to people in and around La Plata.
New local numbers are drawn from carrier inventory, so the exact 240 numbers available change over time; porting an existing number is free.
Who does business near La Plata
La Plata is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area, home to 6.4 million people in 2024. County Business Patterns counted 159,002 business establishments in the Washington, DC-VA-MD-WV metro area in 2023, employing 2,863,486 people. The largest sectors by establishment count are professional, scientific, and technical services (34,327), health care and social assistance (19,078), and other services (except public administration) (18,064).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 5,579 | 96,399 | 17.3 |
| Full-service restaurants | 4,821 | 112,604 | 23.4 |
| Management consulting firms | 4,757 | 106,073 | 22.3 |
| Custom computer programming services firms | 4,727 | 85,080 | 18.0 |
| Computer systems design services firms | 4,544 | 104,224 | 22.9 |
| Physician practices | 3,851 | 46,942 | 12.2 |
| Law offices | 3,508 | 46,308 | 13.2 |
| Dental offices | 3,290 | 22,876 | 7.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in La Plata
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 La Plata 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.
An 18-person team is the benchmark here, the rounded average establishment size in the Washington, DC-VA-MD-WV metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $540.00 a month and Ooma Office Pro $449.10. Callata comes to $359.00 a month for 18 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 | $359.00 | $4,308.00 |
| Quo (Starter) | $19.00 per user | $342.00 | $4,104.00 |
| Nextiva (Core) | $23.00 per user | $414.00 | $4,968.00 |
| Ooma (Office Pro) | $24.95 per user | $449.10 | $5,389.20 |
| Dialpad (Standard) | $27.00 per user | $486.00 | $5,832.00 |
| RingCentral (RingEX Core) | $30.00 per user | $540.00 | $6,480.00 |
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 La Plata, MD?
La Plata has exchanges in 240 and 301; 240 has the most.
How many phone companies have exchanges in La Plata?
9, holding 11 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing La Plata 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 La Plata?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).