Get a local business phone number in Allendale, SC

What area code is Allendale, SC?

Allendale, in Allendale County, South Carolina, had a Census-estimated population of 2,496 in July 2024. All 7 exchanges NANPA lists for its rate center are in area code 803. 803 is part of an overlay with 839, so a new local number in Allendale may carry any of those codes depending on which have numbers available. Allendale is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 803 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Allendale exchanges by carrier

6 carriers hold the 7 exchanges assigned to Allendale's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 2. 5 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.

Allendale phone prefixes

These are the central office codes NANPA records for Allendale. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 7 were assigned in 2020 or later.

When Allendale's exchanges were assigned

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

Rate centers and local calling in Allendale

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

New local numbers are drawn from carrier inventory, so the exact 803 numbers available change over time; porting an existing number is free.

Who does business near Allendale

Allendale is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 122,958 business establishments in South Carolina in 2023, employing 2,067,143 people. The largest sectors by establishment count are retail trade (18,647), other services (except public administration) (12,908), and health care and social assistance (12,694).

A Allendale 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 Allendale, 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 17 users, the rounded average establishment size in South Carolina. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.