Area Code Detail

Area Code 670

Northern Mariana Islands · In service since July 1, 1997

NN
Reports, 30 Days 1

Recent FCC and FTC complaint records tied to this area code.

Reports, 180 Days 14

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 51

Distinct NPA-NXX prefixes surfaced from routing and assignment data.

Carriers / Assignees 4

Named carriers, assignees, or code holders found in routing data.

Cities / Rate Centers 0

Distinct cities or rate centers attached to this area code.

States / Territories 1

Coverage footprint visible from NANPA, pooled block, and Canada routing data.

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Overview

What this area code covers

Northern Mariana Islands

Created for membership in NANP 670 was the former country code for the islands

Top carriers and assignees

  • MICRONESIAN TELECOMMUNICATIONS CORPORATION · 15 routing rows
  • PTI PACIFICA INC. · 15 routing rows
  • MULTIPLE OCN LISTING · 9 routing rows
  • GUAM WIRELESS TELEPHONE COMPANY, LLC · 5 routing rows
NPA-NXX

Prefix directory inside area code 670

Each prefix below is collapsed to one primary locality row so you can scan the area code by prefix without the duplicated block-level assignment rows.

Prefix Primary Rate Center Primary City State
670-211-XXXX XXXXXXXXXX NN
670-233-XXXX SAIPAN NN
670-234-XXXX SAIPAN NN
670-235-XXXX SAIPAN NN
670-236-XXXX SAIPAN NN
670-237-XXXX SAIPAN NN
670-256-XXXX SAIPAN NN
670-284-XXXX SAIPAN NN
670-285-XXXX SAIPAN NN
670-286-XXXX SAIPAN NN
670-287-XXXX SAIPAN NN
670-288-XXXX SAIPAN NN
670-311-XXXX XXXXXXXXXX NN
670-321-XXXX SAIPAN NN
670-322-XXXX SAIPAN NN
670-323-XXXX SAIPAN NN
670-328-XXXX SAIPAN NN
670-411-XXXX XXXXXXXXXX NN
670-433-XXXX TINIAN NN
670-483-XXXX SAIPAN NN
670-484-XXXX SAIPAN NN
670-488-XXXX TINIAN NN
670-511-XXXX XXXXXXXXXX NN
670-532-XXXX ROTA NN
670-555-XXXX DIR ASST NN
670-588-XXXX ROTA NN
670-611-XXXX XXXXXXXXXX NN
670-664-XXXX SAIPAN NN
670-670-XXXX NN
670-682-XXXX SAIPAN NN
670-700-XXXX NN
670-711-XXXX XXXXXXXXXX NN
670-783-XXXX SAIPAN NN
670-785-XXXX SAIPAN NN
670-788-XXXX SAIPAN NN
670-789-XXXX SAIPAN NN
670-811-XXXX XXXXXXXXXX NN
670-838-XXXX SAIPAN NN
670-848-XXXX SAIPAN NN
670-858-XXXX SAIPAN NN
670-868-XXXX SAIPAN NN
670-878-XXXX SAIPAN NN
670-888-XXXX SAIPAN NN
670-898-XXXX SAIPAN NN
670-911-XXXX XXXXXXXXXX NN
670-950-XXXX NN
670-958-XXXX NN
670-959-XXXX NN
670-976-XXXX NN
670-988-XXXX NN
670-989-XXXX SAIPAN NN
Recent Signals

Latest complaint activity tied to 670

Complaint pages are the strongest indexing opportunity for this site right now, especially for exact phone numbers and toll-free exchanges.

FTC report from Hamburg, NEW YORK

June 13, 2026 at 7:52 PM

670-982-4644 was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: May 29, 2026 at 3:00 PM.

FTC report from Westlake, FLORIDA

May 1, 2026 at 5:55 PM

670-440-0427 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: May 1, 2026 at 3:14 PM.

FTC report from Okc, OKLAHOMA

April 23, 2026 at 3:50 PM

670-642-7750 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 23, 2026 at 12:00 AM.

FTC report from GEORGIA

April 14, 2026 at 10:18 AM

670-936-0433 was logged as a robocall. Violation date: April 13, 2026 at 1:01 PM.

FTC report from Lodi, CALIFORNIA

April 1, 2026 at 6:56 PM

This report was logged as a live voice. Violation date: March 31, 2026 at 4:20 PM.

FTC report from Chadwick, MISSOURI

March 10, 2026 at 11:34 AM

This report was logged as a robocall. Category: No Subject Provided. Violation date: March 9, 2026 at 12:30 PM.

FTC report from Lake Dallas, TEXAS

February 19, 2026 at 3:22 PM

670-946-7871 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: February 19, 2026 at 1:12 PM.

FTC report from Powder Springs, GEORGIA

February 18, 2026 at 10:13 PM

670-975-5480 was logged as a robocall. Violation date: February 18, 2026 at 3:50 PM.

FTC report from Milford, CONNECTICUT

February 16, 2026 at 5:38 PM

This report was logged as a unwanted call. Category: No Subject Provided. Violation date: February 10, 2026 at 5:39 PM.

FTC report from Milford, CONNECTICUT

February 16, 2026 at 5:35 PM

This report was logged as a unwanted call. Category: No Subject Provided. Violation date: February 11, 2026 at 2:15 PM.

FTC report from Oconomowoc, WISCONSIN

January 30, 2026 at 9:53 AM

670-360-7497 was logged as a robocall. Category: Lotteries, prizes & sweepstakes. Violation date: January 29, 2026 at 3:00 PM.

FTC report from Colorado Springs, COLORADO

January 22, 2026 at 11:05 PM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: January 21, 2026 at 9:42 AM.

FTC report from Powder, GEORGIA

January 20, 2026 at 9:40 AM

670-407-6394 was logged as a robocall. Category: Medical & prescriptions. Violation date: January 20, 2026 at 9:37 AM.

FTC report from Tucson, ARIZONA

January 16, 2026 at 6:22 PM

670-290-6679 was logged as a robocall. Violation date: January 16, 2026 at 3:10 PM.

FTC report from Charlotte, NORTH CAROLINA

December 12, 2025 at 2:59 PM

This report was logged as a robocall. Violation date: December 12, 2025 at 12:56 PM.

FTC report from Peoria, ARIZONA

November 26, 2025 at 2:01 PM

670-286-6473 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 26, 2025 at 12:00 PM.

FTC report from TEXAS

November 21, 2025 at 11:23 PM

This report was logged as a live voice. Violation date: November 21, 2025 at 12:00 PM.

FTC report from Villa Rica, GEORGIA

November 19, 2025 at 10:23 AM

670-599-1352 was logged as a unwanted call. Violation date: October 23, 2025 at 12:00 AM.

FTC report from Lake Worth, FLORIDA

November 17, 2025 at 9:52 AM

670-695-1764 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 15, 2025 at 11:15 AM.

FTC report from Van Alstyne, TEXAS

September 25, 2025 at 5:14 PM

670-783-3498 was logged as a robocall. Category: Dropped call or no message. Violation date: September 25, 2025 at 3:09 PM.

FTC report from Jacksonville, ARKANSAS

September 23, 2025 at 6:43 PM

670-780-9162 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 23, 2025 at 5:35 PM.

FTC report from Des Plaines, ILLINOIS

September 23, 2025 at 1:01 PM

670-869-9372 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 22, 2025 at 11:55 AM.

FTC report from MARYLAND

September 22, 2025 at 2:27 PM

670-899-6520 was logged as a robocall. Category: Dropped call or no message. Violation date: September 22, 2025 at 2:21 PM.

FTC report from MARYLAND

September 22, 2025 at 11:20 AM

670-270-3319 was logged as a robocall. Category: Dropped call or no message. Violation date: September 22, 2025 at 11:19 AM.

FTC report from Nicholson, PENNSYLVANIA

September 17, 2025 at 6:33 PM

670-413-6393 was logged as a robocall. Violation date: August 18, 2025 at 10:30 AM.

FTC report from Hazelwood, MISSOURI

September 16, 2025 at 10:38 AM

670-206-1653 was logged as a robocall. Violation date: September 16, 2025 at 8:26 AM.

FTC report from Rixeyville, VIRGINIA

September 7, 2025 at 11:56 AM

670-627-3021 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 5, 2025 at 10:30 PM.

FTC report from CALIFORNIA

August 27, 2025 at 6:14 PM

670-013-4910 was logged as a robocall. Violation date: June 28, 2025 at 2:35 PM.

FCC report from Herington, KS

July 25, 2025 at 11:38 PM

670-224-9283 was logged as a prerecorded voice. Category: Irs Services. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from PENNSYLVANIA

July 21, 2025 at 4:06 PM

670-834-7039 was logged as a live voice. Category: No Subject Provided. Violation date: July 21, 2025 at 11:00 AM.

FTC report from Akron, OHIO

June 6, 2025 at 10:31 AM

This report was logged as a robocall. Violation date: May 13, 2025 at 11:39 AM.

FTC report from Harris, MISSOURI

June 3, 2025 at 1:26 PM

670-851-3635 was logged as a live voice. Category: No Subject Provided. Violation date: June 3, 2025 at 12:02 PM.

FTC report from TEXAS

May 27, 2025 at 5:47 PM

670-697-6351 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: May 19, 2025 at 1:58 PM.

FTC report from Akron, OHIO

May 20, 2025 at 10:43 AM

This report was logged as a robocall. Violation date: May 13, 2025 at 11:39 AM.

FTC report from Middletown, OHIO

February 20, 2025 at 1:56 PM

670-278-8784 was logged as a robocall. Violation date: February 20, 2025 at 12:40 PM.

FTC report from Newark Valley, NEW YORK

February 10, 2025 at 9:57 AM

This report was logged as a robocall. Violation date: February 7, 2025 at 1:00 PM.

FTC report from Shepherd, MONTANA

January 31, 2025 at 4:00 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: January 23, 2025 at 5:48 PM.

FTC report from Ahmednagar

December 10, 2024 at 1:17 AM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: December 10, 2024 at 11:20 AM.

FTC report from NORTHERN MARIANA ISLANDS

December 7, 2024 at 5:06 AM

This report was logged as a robocall. Violation date: December 7, 2024 at 3:13 PM.

FTC report from Mangalore, MICHIGAN

October 19, 2024 at 3:13 AM

This report was logged as a robocall. Violation date: October 19, 2024 at 11:59 AM.