Area code
Area code 667 — Baltimore, MD
Maryland · in service since March 24, 2012
Area code 667 covers parts of Maryland; the place with the most of its prefixes is Baltimore. It is an overlay: 410, 443 serve the same area, so neighbors can have different area codes.
Local time in Baltimore
Spam reports from Sep 23 – Oct 22, 2026
Average #279 of 461 codes
310 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes466 assigned
- Runs out~1Q 2036
- Unwanted call?Block & report
Spam call reports about 667 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 10 |
| Sep 14 | 52 |
| Sep 21 | 44 |
| Sep 28 | 59 |
| Oct 5 | 93 |
| Oct 12 | 79 |
| Oct 19 (4 days) | 48 |
Compared with all codes
- Robocalls
- 73%all codes 75%
- Callers with the same code
- 4%all codes 35%
- Rank by complaints
- #279of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 705 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 104 27% | |
| Calls pretending to be government, businesses, or family and friends | 42 11% | |
| Dropped call or no message | 37 10% | |
| Warranties & protection plans | 6 2% | |
| Home improvement & cleaning | 4 1% | |
| Vacation & timeshares | 4 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Maryland | 148 38% | |
| Florida | 19 5% | |
| California | 16 4% | |
| Texas | 16 4% | |
| North Carolina | 14 4% |
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 667 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| BALTIMORE | Baltimore | Baltimore city | 77 |
| PIKESVILLE | Pikesville | Baltimore County | 24 |
| ABERDEEN | Aberdeen | Harford County | 23 |
| SALISBURY | Salisbury | Wicomico County | 23 |
| ANNAPOLIS | Annapolis | Anne Arundel County | 17 |
| CATONSVL | Catonsville | Baltimore County | 13 |
| COLUMBIA | Columbia | Howard County | 13 |
| TOWSON | Towson | Baltimore County | 11 |
| BEL AIR | Bel Air | Allegany County | 8 |
| GLENBURNIE | Glen Burnie | Anne Arundel County | 8 |
Plus 92 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Maryland
- Assigned by NANPA
- January 3, 2001
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-427, PL-266
Source: NANPA, NPA database of Oct 24, 2026.
Is 667 running out of numbers?
Previous forecast (October 2025): 2035, moved later by 1 year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 667 prefixes
The five largest of 49 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 85 18% | |
| New Cingular Wireless PCS, LLC | 58 12% | |
| Omnipoint Communications Cap Operations, LLC | 55 12% | |
| Core Communications, Inc.- MD | 41 9% | |
| Verizon Wireless | 24 5% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 667
What area code is 667?
A Maryland area code, in service since March 24, 2012.
Where is 667 area code, and what time zone is it in?
Baltimore, MD; Eastern Time.
Why am I getting spam calls from 667?
310 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 667 get a new area code?
NANPA forecasts exhaust in 1Q 2036; no relief planning listed.