Get a local business phone number in Dubuque, IA

What area code is Dubuque, IA?

Dubuque city is a Census place in Dubuque County, Iowa, with an estimated 58,987 residents in 2024. All 36 exchanges NANPA lists for its rate center are in area code 563. Dubuque 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.

Who holds Dubuque phone exchanges

10 carriers hold the 36 exchanges assigned to Dubuque's rate center. Qwest Corporation has the most, with 10. 25 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 Dubuque

These are the central office codes NANPA records for Dubuque. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 5 of the 36 were assigned in 2020 or later.

When Dubuque's exchanges were assigned

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

What makes a number local to Dubuque

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

New local numbers are drawn from carrier inventory, so the exact 563 numbers available change over time; porting an existing number is free.

Businesses around Dubuque

Dubuque is part of the Dubuque, IA metro area, home to 99,242 people in 2024. County Business Patterns counted 2,804 business establishments in the Dubuque, IA metro area in 2023, employing 56,357 people. The largest sectors by establishment count are retail trade (387), health care and social assistance (342), and construction (312).

A Dubuque 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 Dubuque, 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 20 users, the rounded average establishment size in the Dubuque, IA metro area. At list prices checked September 28, 2026, that is $499.00 a month on Ooma Office Pro and $600.00 on RingCentral RingEX Core. On Callata the same 20 people cost $399.00 a month, less than either per-seat plan.