Get a local business phone number in Northumberland, PA

What area code is Northumberland, PA?

Northumberland, in Northumberland County, Pennsylvania, had a Census-estimated population of 3,835 in July 2024. NANPA lists 6 exchanges for its rate center across 2 area codes; 570 has the most (4, 67%). 570 is part of an overlay with 272, so a new local number in Northumberland may carry any of those codes depending on which have numbers available. Northumberland is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 570 are dialed as ten digits (area code plus number) and toll calls as ten digits (area code plus number).

Who holds Northumberland phone exchanges

4 carriers hold the 6 exchanges assigned to Northumberland's rate center. Onvoy, LLC - Pa has the most, with 2. 5 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Local prefixes for Northumberland

These are the central office codes NANPA records for Northumberland. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2005. 1 of the 6 were assigned in 2020 or later.

When Northumberland's exchanges were assigned

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

What makes a number local to Northumberland

What a caller sees as "local" is the area code plus prefix. In Northumberland, those come from the NORTHUBRLD rate center, as recorded by NANPA.

Keeping an existing Northumberland number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 570 when you pick it.

Businesses around Northumberland

Northumberland is part of the Sunbury, PA micropolitan area, home to 108,000 people in 2024. County Business Patterns counted 2,067 business establishments in the Sunbury, PA micropolitan area in 2023, employing 37,540 people. The largest sectors by establishment count are retail trade (316), health care and social assistance (316), and other services (except public administration) (303).

A Northumberland 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.

If you already have a number in Northumberland, 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 Sunbury, PA micropolitan 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.