CallataGuidesGet a local business phone number in Polk City, IA
Polk City's area code, prefixes and carriers from NANPA records, and how to put a Polk City number in front of your customers.
- Area code
- 515
- Exchanges
- 4NANPA-assigned
- Carriers
- 3
- Population
- 6,430Census 2024 est.
What area code is Polk City, IA?
With 6,430 residents in the Census 2024 estimate, Polk City sits in Polk County, Iowa. All 4 exchanges NANPA lists for its rate center are in area code 515. Polk City is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 515 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 515 | 4 | 100% | 1947 | none | Central |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Polk City
3 carriers hold the 4 exchanges assigned to Polk City's rate center. Qwest Corporation has the most, with 2. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Polk City can come from any of these blocks; once it is yours, porting lets it move between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Qwest Corporation | 2 | 50% |
| Bandwidth.com CLEC, LLC - Ia | 1 | 25% |
| Fractel, LLC | 1 | 25% |
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.
Local prefixes for Polk City
These are the central office codes NANPA records for Polk City. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2012. 1 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 515 | 329, 420, 877, 984 |
Source: NANPA utilized central office code file.
When Polk City's exchanges were assigned
The table groups Polk City's exchanges by the decade NANPA recorded them as assigned.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2010s | 2 | 67% |
| 2020s | 1 | 33% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Polk City
NANPA ties every exchange to a rate center. For Polk City that is POLK CITY, so a number from one of these exchanges reads as local to people in and around Polk City.
New local numbers are drawn from carrier inventory, so the exact 515 numbers available change over time; porting an existing number is free.
Who does business near Polk City
Polk City is part of the Des Moines-West Des Moines, IA metro area, home to 754,000 people in 2024. County Business Patterns counted 18,946 business establishments in the Des Moines, IA metro area in 2023, employing 364,757 people. The largest sectors by establishment count are retail trade (2,187), professional, scientific, and technical services (2,098), and health care and social assistance (2,060).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 531 | 11,950 | 22.5 |
| Limited-service restaurants | 524 | 10,539 | 20.1 |
| Offices of real estate agents and brokers | 474 | 948 | 2.0 |
| Insurance agencies and brokerages | 425 | 3,009 | 7.1 |
| Law offices | 364 | 2,502 | 6.9 |
| Landscaping services | 298 | 3,334 | 11.2 |
| Residential remodelers | 278 | 848 | 3.1 |
| Physician practices | 275 | 7,439 | 27.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Polk City
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.
Porting a number you already use in Polk City 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.
Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Des Moines, IA metro area, 19 users on RingCentral RingEX Core come to $570.00 a month and on Ooma Office Pro $474.05, at month-to-month list prices checked September 28, 2026. Callata comes to $379.00 a month for 19 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $379.00 | $4,548.00 |
| Quo (Starter) | $19.00 per user | $361.00 | $4,332.00 |
| Nextiva (Core) | $23.00 per user | $437.00 | $5,244.00 |
| Ooma (Office Pro) | $24.95 per user | $474.05 | $5,688.60 |
| Dialpad (Standard) | $27.00 per user | $513.00 | $6,156.00 |
| RingCentral (RingEX Core) | $30.00 per user | $570.00 | $6,840.00 |
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 Polk City, IA?
515. All exchanges NANPA lists for Polk City are in 515.
How many phone companies have exchanges in Polk City?
3, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Polk City 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 Polk City?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 19 users come to $379.00 a month. For comparison, 19 users on RingCentral RingEX Core list at $570.00 a month (checked September 28, 2026).