CallataGuidesGet a local business phone number in Mount Pleasant, PA
Mount Pleasant's area codes, prefixes and carriers from NANPA records, and how to put a Mount Pleasant number in front of your customers.
- Area code
- 724 / 878
- Exchanges
- 7NANPA-assigned
- Carriers
- 4
- Population
- 9,982Census 2024 est.
Area codes in Mount Pleasant
With 9,982 residents in the Census 2024 estimate, Mount Pleasant sits in Westmoreland County, Pennsylvania. NANPA lists 7 exchanges for its rate center across 2 area codes; 724 has the most (6, 86%). 724 is part of an overlay with 878, so a new local number in Mount Pleasant may carry any of those codes depending on which have numbers available. Mount Pleasant is in the Eastern time zone.
According to NANPA's dialing-plan data, local calls within 724 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).
Mount Pleasant exchanges by carrier
4 carriers hold the 7 exchanges assigned to Mount Pleasant's rate center. Verizon Pennsylvania, INC. has the most, with 3. 6 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Verizon Pennsylvania, INC. | 3 | 43% |
| Level 3 Communications, LLC - Pa | 2 | 29% |
| Teleport Communications America, LLC - Pa | 1 | 14% |
| Stratus Networks | 1 | 14% |
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 Mount Pleasant
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Mount Pleasant. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 7 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 724 | 204, 365, 542, 547, 613, 696 |
| 878 | 285 |
Source: NANPA utilized central office code file.
When Mount Pleasant's exchanges were assigned
The table groups Mount Pleasant's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Mount Pleasant
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Mount Pleasant's numbers are rated to the MTPLEASANT rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Mount Pleasant number.
Keeping an existing Mount Pleasant number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 724 when you pick it.
Who does business near Mount Pleasant
Mount Pleasant is part of the Pittsburgh, PA metro area, home to 2.4 million people in 2024. County Business Patterns counted 61,628 business establishments in the Pittsburgh, PA metro area in 2023, employing 1,122,366 people. The largest sectors by establishment count are health care and social assistance (8,680), retail trade (7,718), and other services (except public administration) (7,410).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Physician practices | 1,972 | — | — |
| Limited-service restaurants | 1,944 | 30,573 | 15.7 |
| Full-service restaurants | 1,851 | 43,054 | 23.3 |
| Residential remodelers | 1,107 | 4,004 | 3.6 |
| Beauty salons | 1,063 | 5,533 | 5.2 |
| Law offices | 1,050 | 8,740 | 8.3 |
| Landscaping services | 1,033 | 4,552 | 4.4 |
| Insurance agencies and brokerages | 1,031 | 6,015 | 5.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Mount Pleasant
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
Porting a number you already use in Mount Pleasant 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 Pittsburgh, PA 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 Mount Pleasant, PA?
Mount Pleasant has exchanges in 724 and 878; 724 has the most.
How many phone companies have exchanges in Mount Pleasant?
4, holding 7 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Mount Pleasant 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 Mount Pleasant?
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).