The country code for United States can be written several ways. All refer to the same code.
+1 - international E.164 format (with plus sign)1 - digits only (often typed in search)001 - with European exit code (00)011 1 - with US exit code (011)011 1 XXX XXX XXXX - full landline example+1 XXX XXX XXXX - full mobile example011 1 XXX XXX XXXX · Mobile: +1 XXX XXX XXXX1 trunk prefix).| From | Landline | Mobile |
|---|---|---|
|
|
00 1 XXX XXX XXXX |
+1 XXX XXX XXXX |
|
|
0011 1 XXX XXX XXXX |
+1 XXX XXX XXXX |
|
|
011 1 XXX XXX XXXX |
+1 XXX XXX XXXX |
|
|
00 1 XXX XXX XXXX |
+1 XXX XXX XXXX |
| Code | City / Region |
|---|---|
201 |
New Jersey |
202 |
Washington D.C. |
2034 |
Connecticut |
2035 |
Connecticut |
2036 |
Connecticut |
2038 |
Connecticut |
2039 |
Connecticut |
204 |
Manitoba |
205 |
Alabama |
206 |
Washington State |
Low scam risk from US numbers. IRS impersonation, Medicare fraud, and robocalls are common domestically. FTC actively combats phone scams.
Live from the FTC Do Not Call registry: complaints US consumers filed against these numbers. We ingest the FTC's daily complaint feed - 441,681 numbers tracked, updated every weekday. Do not call back numbers you see here.
| Number | Reports | Robocalls | Top subject | States | Last report |
|---|---|---|---|---|---|
(369) 216-6437 |
1839 | 1635 | Debt reduction | 41 | 2026-08-20 |
(321) 499-1734 |
623 | 560 | Debt reduction | 10 | 2026-08-17 |
(309) 301-1881 |
397 | 355 | Debt reduction | 27 | 2026-08-17 |
(855) 994-1955 |
381 | 359 | Debt reduction | 10 | 2026-08-12 |
(217) 394-8983 |
374 | 331 | Debt reduction | 31 | 2026-08-20 |
(833) 662-5740 |
373 | 358 | Debt reduction | 4 | 2026-07-30 |
(844) 515-1257 |
356 | 334 | Debt reduction | 2 | 2026-08-10 |
(833) 662-5708 |
349 | 317 | Debt reduction | 6 | 2026-08-10 |
(877) 556-9255 |
264 | 255 | Other | 31 | 2026-08-20 |
(888) 905-1778 |
231 | 194 | Impersonation (government, business, family) | 2 | 2026-08-18 |
Need this per-number data programmatically? The DialCode API returns complaint counts, categories and victim geography for any US number.
The country code +1 belongs to United States.
+1 is the legitimate country code for United States. The scam risk level is low. Low scam risk from US numbers. IRS impersonation, Medicare fraud, and robocalls are common domestically. FTC actively combats phone scams.
From a US landline: dial 011 + 1 + local number. From a US cell: dial +1 + local number.