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Area Code Detail

Area Code 670

Northern Mariana Islands · In service since July 1, 1997

NN
Reports, 30 Days 2

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

Reports, 180 Days 15

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 58

Distinct NPA-NXX exchanges surfaced from routing and complaint 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
Examples: 206-739-5800, 206, 206-739, 48369
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

Strongest exchanges inside area code 670

These prefixes combine recent complaint concentration with routing or assignment density, which makes them good candidates for indexing and exploration.

Prefix Complaint Score Routing Rows Companies Cities
670-286 4 1 1 0
670-290 4 0 0 0
670-360 4 0 0 0
670-407 4 0 0 0
670-599 4 0 0 0
670-695 4 0 0 0
670-946 4 0 0 0
670-975 4 0 0 0
670-211 0 1 1 0
670-233 0 1 1 0
670-234 0 1 1 0
670-235 0 1 1 0
670-236 0 1 1 0
670-237 0 1 1 0
670-256 0 1 1 0
670-284 0 1 1 0
670-285 0 1 1 0
670-287 0 1 1 0
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 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.

FTC report from Mrn. View,, ARKANSAS

October 6, 2024 at 1:18 AM

670-496-5529 was logged as a live voice. Violation date: October 2, 2024 at 10:54 AM.

FTC report from Granada

September 27, 2024 at 4:57 PM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 27, 2024 at 6:04 PM.

FTC report from WYOMING

September 23, 2024 at 3:22 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: September 23, 2024 at 1:15 PM.

FTC report from Mokena, ILLINOIS

September 23, 2024 at 2:23 PM

670-701-8230 was logged as a robocall. Violation date: October 4, 2023 at 4:02 PM.

Routing

Detailed routing and assignment data

This table merges NANPA, pooled block, and Canadian assignment sources where available.

Prefix Block Carrier / Assignee Rate Center City State Use Type Assign Date
670-211 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-233 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-234 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-235 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-236 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-237 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS 06/01/2005
670-256 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-284 XXXX PTI PACIFICA INC. SAIPAN NN AS 04/20/2018
670-285 XXXX PTI PACIFICA INC. SAIPAN NN AS 01/25/2005
670-286 XXXX PTI PACIFICA INC. SAIPAN NN AS
670-287 XXXX PTI PACIFICA INC. SAIPAN NN AS
670-288 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-311 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-321 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-322 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-323 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-328 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-411 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-433 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION TINIAN NN AS
670-483 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC SAIPAN NN AS
670-484 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC SAIPAN NN AS 05/17/2002
670-488 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC TINIAN NN AS 09/20/2004
670-511 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-532 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION ROTA NN AS
670-555 XXXX MULTIPLE OCN LISTING DIR ASST NN UA
670-588 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC ROTA NN AS 09/17/2004
670-611 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-664 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-670 XXXX NN UA
670-682 XXXX MICRONESIAN TELECOMMUNICATIONS CORPORATION SAIPAN NN AS
670-700 XXXX NN UA
670-711 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-783 XXXX PTI PACIFICA INC. SAIPAN NN AS 01/31/2013
670-785 XXXX PTI PACIFICA INC. SAIPAN NN AS 07/02/2010
670-788 XXXX PTI PACIFICA INC. SAIPAN NN AS
670-789 XXXX PTI PACIFICA INC. SAIPAN NN AS 02/26/2007
670-811 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-838 XXXX PTI PACIFICA INC. SAIPAN NN AS 08/25/2004
670-848 XXXX PTI PACIFICA INC. SAIPAN NN AS 10/10/2008
670-858 XXXX PTI PACIFICA INC. SAIPAN NN AS 10/10/2008
670-868 XXXX PTI PACIFICA INC. SAIPAN NN AS 03/10/2003
670-878 XXXX PTI PACIFICA INC. SAIPAN NN AS 01/13/2005
670-888 XXXX PTI PACIFICA INC. SAIPAN NN AS 07/30/2002
670-898 XXXX PTI PACIFICA INC. SAIPAN NN AS 08/24/2004
670-911 XXXX MULTIPLE OCN LISTING XXXXXXXXXX NN UA
670-950 XXXX NN UA
670-958 XXXX NN UA
670-959 XXXX NN UA
670-976 XXXX NN UA
670-988 XXXX NN UA
670-989 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC SAIPAN NN AS 04/05/2005