Area code
Area code 503 — Portland, OR
Oregon · in service since 1947
Area code 503 covers Portland, OR. It is an overlay: 971 serves the same area, so neighbors can have different area codes.
Overlay, same area: 971
Local time in Portland
Spam reports from Sep 23 – Oct 22, 2026
Average #245 of 461 codes
368 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zonePacific Time
- Local calls10 digits
- Prefixes800 assigned
- Runs out~1Q 2041
- Unwanted call?Block & report
Spam call reports about 503 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 24 |
| Sep 14 | 102 |
| Sep 21 | 113 |
| Sep 28 | 104 |
| Oct 5 | 61 |
| Oct 12 | 59 |
| Oct 19 (4 days) | 64 |
Compared with all codes
- Robocalls
- 52%all codes 75%
- Callers with the same code
- 72%all codes 35%
- Rank by complaints
- #245of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 10210 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Calls pretending to be government, businesses, or family and friends | 65 12% | |
| Home improvement & cleaning | 44 8% | |
| Reducing your debt (credit cards, mortgage, student loans) | 29 6% | |
| Dropped call or no message | 27 5% | |
| Computer & technical support | 21 4% | |
| Medical & prescriptions | 18 3% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Oregon | 400 76% | |
| California | 17 3% | |
| Washington | 15 3% | |
| Connecticut | 13 2% | |
| Florida | 9 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 503 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| PORTLAND | Portland | spans 3 counties | 347 |
| BEAVERTON | Beaverton | Washington County | 107 |
| SALEM | Salem | spans 2 counties | 73 |
| CLACKAMAS | — | — | 49 |
| STFRD-SNDY | — | — | 28 |
| GRESHAM | Gresham | Multnomah County | 22 |
| MCMINNVL | McMinnville | Yamhill County | 13 |
| DALLAS | Dallas | Polk County | 8 |
| SHERWOOD | Sherwood | Washington County | 8 |
| WOODBURN | Woodburn | Marion County | 8 |
Plus 53 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Oregon
- Assigned by NANPA
- 1947
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-359, PL-203, PL-182
Source: NANPA, NPA database of Oct 24, 2026.
Is 503 running out of numbers?
Previous forecast (October 2025): 2039, moved later by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 503 prefixes
The five largest of 41 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Qwest Corporation | 222 28% | |
| Ziply Fiber | 111 14% | |
| New Cingular Wireless PCS, LLC | 71 9% | |
| T-Mobile USA, Inc. | 56 7% | |
| Verizon Wireless | 54 7% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 503
What area code is 503?
An Oregon area code, in service since 1947.
Where is 503 area code, and what time zone is it in?
Portland, OR; Pacific Time.
Why am I getting spam calls from 503?
368 FTC complaints from Sep 23 – Oct 22, 2026, most often about impostors (not verified by the FTC; caller ID can be spoofed).
Will 503 get a new area code?
NANPA forecasts exhaust in 1Q 2041; no relief planning listed.