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Get a local business phone number in Duncannon, PA

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

Area code
717 / 223
Exchanges
4NANPA-assigned
Carriers
4
Population
1,471Census 2024 est.

Duncannon area codes

Duncannon, in Perry County, Pennsylvania, had a Census-estimated population of 1,471 in July 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 717 has the most (3, 75%). 717 is part of an overlay with 223, so a new local number in Duncannon may carry any of those codes depending on which have numbers available. Duncannon 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 Duncannon, PA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
717375%1947223Eastern
223125%2017717Eastern

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

Duncannon exchanges by carrier

4 carriers hold the 4 exchanges assigned to Duncannon'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. A business number in Duncannon can come from any of these blocks; once it is yours, porting lets it move between providers.

Carriers holding exchanges in Duncannon, PA
Carrier (NANPA operating company)ExchangesShare
Onvoy, LLC - Pa125%
Centurylink Communications, LLC125%
Brightspeed of Pennsylvania, LLC125%
Level 3 Communications, LLC - Pa125%

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 Duncannon

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Duncannon. The earliest assignment date recorded in the file for these codes is 2015. 1 of the 4 were assigned in 2020 or later.

Prefixes assigned in Duncannon, PA
Area codePrefixes (NXX)
223321
717596, 834, 904

Source: NANPA utilized central office code file.

When Duncannon's exchanges were assigned

The table groups Duncannon's exchanges by the decade NANPA recorded them as assigned.

Duncannon, PA: exchanges by decade assigned
Decade assignedExchangesShare
2010s150%
2020s150%

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

Rate centers and local calling in Duncannon

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

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

Businesses around Duncannon

Duncannon is part of the Harrisburg-Carlisle, PA metro area, home to 615,000 people in 2024. County Business Patterns counted 14,274 business establishments in the Harrisburg, PA metro area in 2023, employing 295,219 people. The largest sectors by establishment count are other services (except public administration) (1,933), health care and social assistance (1,875), and retail trade (1,839).

Selected industries in the Harrisburg, PA metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants4907,06114.4
Physician practices4339,51122.0
Full-service restaurants4288,69220.3
Law offices2702,0997.8
Beauty salons2551,1844.6
Residential remodelers2241,5897.1
Insurance agencies and brokerages2222,29910.4
Dental offices1871,7949.6

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

A Duncannon number on Callata

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 Duncannon 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.

The comparison below uses 21 users, the rounded average establishment size in the Harrisburg, PA metro area. At list prices checked September 28, 2026, that is $523.95 a month on Ooma Office Pro and $630.00 on RingCentral RingEX Core. Callata comes to $419.00 a month for 21 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for a 21-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$419.00$5,028.00
Quo (Starter)$19.00 per user$399.00$4,788.00
Nextiva (Core)$23.00 per user$483.00$5,796.00
Ooma (Office Pro)$24.95 per user$523.95$6,287.40
Dialpad (Standard)$27.00 per user$567.00$6,804.00
RingCentral (RingEX Core)$30.00 per user$630.00$7,560.00

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 Duncannon, PA?

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

How many phone companies have exchanges in Duncannon?

4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Duncannon 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 Duncannon?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 21 users come to $419.00 a month. For comparison, 21 users on RingCentral RingEX Core list at $630.00 a month (checked September 28, 2026).