CallataGuidesGet a local business phone number in New Castle, PA
New Castle's area codes, prefixes and carriers from NANPA records, and how to put a New Castle number in front of your customers.
- Area code
- 724 / 878
- Exchanges
- 26NANPA-assigned
- Carriers
- 12
- Population
- 21,332Census 2024 est.
Area codes in New Castle
With 21,332 residents in the Census 2024 estimate, New Castle sits in Lawrence County, Pennsylvania. NANPA lists 26 exchanges for its rate center across 2 area codes; 724 has the most (24, 92%). 724 is part of an overlay with 878, so a new local number in New Castle may carry any of those codes depending on which have numbers available. New Castle 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).
Who holds New Castle phone exchanges
12 carriers hold the 26 exchanges assigned to New Castle's rate center. Verizon Pennsylvania, INC. has the most, with 7. 19 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. | 7 | 27% |
| Aerial Communications, INC. | 3 | 12% |
| Level 3 Communications, LLC - Pa | 3 | 12% |
| New Cingular Wireless PCS, LLC - Il | 3 | 12% |
| Cellco Partnership d/b/a Verizon Wireless - Pa | 3 | 12% |
| Teleport Communications America, LLC - Pa | 1 | 3.8% |
| Fidium Enterprise Services, LLC | 1 | 3.8% |
| Core Communications, INC. - Pa | 1 | 3.8% |
| Paetec Itel, LLC | 1 | 3.8% |
| Exiant Communications LLC | 1 | 3.8% |
| Bandwidth.com CLEC, LLC - Pa | 1 | 3.8% |
| Boost Subscriberco L.l.c. | 1 | 3.8% |
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 New Castle
These are the central office codes NANPA records for New Castle. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 2 of the 26 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 724 | 202, 333, 498, 510, 598, 614, 651, 652, 654, 656, 657, 658, 674, 698, 714, 730, 761, 856, 890, 923, 936, 944, 965, 971 |
| 878 | 242, 300 |
Source: NANPA utilized central office code file.
When New Castle's exchanges were assigned
Assignment dates show when each block of New Castle numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 2 | 40% |
| 2010s | 1 | 20% |
| 2020s | 2 | 40% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in New Castle
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. New Castle's numbers are rated to the NEW CASTLE rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a New Castle number.
If your business already has a New Castle number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near New Castle
New Castle 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.
A New Castle 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 Castle, 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.
The comparison below uses 18 users, the rounded average establishment size in the Pittsburgh, PA metro area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. On Callata the same 18 people cost $359.00 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 | $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 New Castle, PA?
New Castle has exchanges in 724 and 878; 724 has the most.
How many phone companies have exchanges in New Castle?
12, holding 26 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing New Castle 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 Castle?
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).