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Get a local business phone number in Mercersburg, PA

Mercersburg's area codes, prefixes and carriers from NANPA records, and how to put a Mercersburg number in front of your customers.

Area code
717 / 223
Exchanges
5NANPA-assigned
Carriers
5
Population
1,493Census 2024 est.

Mercersburg area codes

Mercersburg borough is a Census place in Franklin County, Pennsylvania, with an estimated 1,493 residents in 2024. NANPA lists 5 exchanges for its rate center across 2 area codes; 717 has the most (3, 60%). 717 is part of an overlay with 223, so a new local number in Mercersburg may carry any of those codes depending on which have numbers available. Mercersburg is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 717 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Area codes with exchanges in Mercersburg, PA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
717360%1947223Eastern
223240%2017717Eastern

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Mercersburg

5 carriers hold the 5 exchanges assigned to Mercersburg's rate center. Onvoy, LLC - Pa has the most, with 1. 4 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.

Carriers holding exchanges in Mercersburg, PA
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - Pa120%
Fractel, LLC120%
Brightspeed of Pennsylvania, LLC120%
Core Communications, INC. - Pa120%
Comcast Ip Phone, LLC120%

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 Mercersburg

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Mercersburg. The earliest assignment date recorded in the file for these codes is 2006. 2 of the 5 were assigned in 2020 or later.

Prefixes assigned in Mercersburg, PA
Area codePrefixes (NXX)
223324, 766
717328, 452, 498

Source: NANPA utilized central office code file.

When Mercersburg's exchanges were assigned

Assignment dates show when each block of Mercersburg numbers was added to the local supply.

Mercersburg, PA: exchanges by decade assigned
Decade assignedExchangesShare
2000s250%
2020s250%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Mercersburg

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Mercersburg's numbers are rated to the MERCERSBG rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Mercersburg number.

If your business already has a Mercersburg number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Mercersburg

Mercersburg is part of the Chambersburg, PA metro area, home to 159,000 people in 2024. County Business Patterns counted 3,111 business establishments in the Chambersburg, PA metro area in 2023, employing 52,942 people. The largest sectors by establishment count are other services (except public administration) (479), retail trade (452), and health care and social assistance (338).

Selected industries in the Chambersburg, PA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants1072,05619.2
Limited-service restaurants971,55616.0
General automotive repair shops682613.8
Landscaping services664016.1
Beauty salons612544.2
Physician practices561,15420.6
Residential remodelers501262.5
Plumbing, heating and air-conditioning contractors453928.7

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Business phone service in Mercersburg

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.

If you already have a number in Mercersburg, 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 17-person team is the benchmark here, the rounded average establishment size in the Chambersburg, PA metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

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 Mercersburg, PA?

Mercersburg has exchanges in 717 and 223; 717 has the most.

How many phone companies have exchanges in Mercersburg?

5, holding 5 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Mercersburg 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 Mercersburg?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).