Area code
Area code 319 — Cedar Rapids, IA
Iowa · in service since 1947
Area code 319 covers parts of Iowa; the place with the most of its prefixes is Cedar Rapids. No other area code overlays it.
Local time in Cedar Rapids
Spam reports from Sep 23 – Oct 22, 2026
Average #193 of 461 codes
471 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneCentral Time
- Local calls10 digits
- Prefixes579 assigned
- Runs out~1Q 2048
- Unwanted call?Block & report
Spam call reports about 319 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 29 |
| Sep 14 | 68 |
| Sep 21 | 124 |
| Sep 28 | 118 |
| Oct 5 | 77 |
| Oct 12 | 104 |
| Oct 19 (4 days) | 85 |
Compared with all codes
- Robocalls
- 58%all codes 75%
- Callers with the same code
- 48%all codes 35%
- Rank by complaints
- #193of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 8110 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 130 21% | |
| Dropped call or no message | 82 14% | |
| Medical & prescriptions | 37 6% | |
| Calls pretending to be government, businesses, or family and friends | 24 4% | |
| Warranties & protection plans | 16 3% | |
| Home improvement & cleaning | 12 2% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Iowa | 345 57% | |
| California | 26 4% | |
| Florida | 19 3% | |
| Georgia | 15 2% | |
| Texas | 15 2% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 319 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| CEDAR RPDS | Cedar Rapids | Linn County | 110 |
| IOWA CITY | Iowa City | Johnson County | 50 |
| WATERLOO | Waterloo | Black Hawk County | 47 |
| BURLINGTON | Burlington | Des Moines County | 19 |
| CEDARFALLS | Cedar Falls | Black Hawk County | 13 |
| FT MADISON | Fort Madison | Lee County | 11 |
| MTPLEASANT | Mount Pleasant | Henry County | 10 |
| WASHINGTON | Washington | Washington County | 10 |
| ANAMOSA | Anamosa | Jones County | 9 |
| KEOKUK | Keokuk | Lee County | 9 |
Plus 127 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Iowa
- Assigned by NANPA
- 1947
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-556, PL-544, PL-253
Source: NANPA, NPA database of Oct 24, 2026.
Is 319 running out of numbers?
Previous forecast (October 2025): 2044, moved later by 4 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 319 prefixes
The five largest of 87 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Qwest Corporation | 99 17% | |
| T-Mobile USA, Inc. | 39 7% | |
| United States Cellular | 39 7% | |
| Verizon Wireless | 39 7% | |
| Windstream Iowa Communications, Inc. | 37 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 319
What area code is 319?
An Iowa area code, in service since 1947.
Where is 319 area code, and what time zone is it in?
Cedar Rapids, IA; Central Time.
Why am I getting spam calls from 319?
471 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 319 get a new area code?
NANPA forecasts exhaust in 1Q 2048; no relief planning listed.