Get a local business phone number in Guttenberg, IA

Guttenberg area codes

Guttenberg city is a Census place in Clayton County, Iowa, with an estimated 1,804 residents in 2024. All 2 exchanges NANPA lists for its rate center are in area code 563. Guttenberg is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 563 are dialed as seven digits and toll calls as 1 plus ten digits.

Phone carriers in Guttenberg

2 carriers hold the 2 exchanges assigned to Guttenberg's rate center. Alpine Communications, L.c. has the most, with 1. 2 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.

Exchanges (NPA-NXX) assigned in Guttenberg

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Guttenberg. The earliest assignment date recorded in the file for these codes is 2019. None were assigned in 2020 or later.

What makes a number local to Guttenberg

NANPA ties every exchange to a rate center. For Guttenberg that is GUTTENBERG, so a number from one of these exchanges reads as local to people in and around Guttenberg.

Keeping an existing Guttenberg number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 563 when you pick it.

Businesses around Guttenberg

Guttenberg is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 83,321 business establishments in Iowa in 2023, employing 1,415,652 people. The largest sectors by establishment count are retail trade (10,970), other services (except public administration) (9,184), and health care and social assistance (9,092).

Business phone service in Guttenberg

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 Guttenberg, 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 Iowa. 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.