Area Code Detail

Area Code 983

Denver, Colorado · In service since June 17, 2022

CO
Reports, 30 Days 60

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

Reports, 180 Days 1,063

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 62

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

Carriers / Assignees 30

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

Cities / Rate Centers 7

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.

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Overview

What this area code covers

Denver, Colorado

overlaid on 303/720

Common cities and rate centers

Deckers Denver Fort Lupton Keenesburg Longmont Roggen Strasburg

Top carriers and assignees

  • ONVOY, LLC - CO · 148 routing rows
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO · 90 routing rows
  • NEW CINGULAR WIRELESS PCS, LLC · 78 routing rows
  • BANDWIDTH.COM CLEC, LLC - CO · 33 routing rows
  • WIDE VOICE, LLC - CO · 24 routing rows
  • TELEPORT COMMUNICATIONS AMERICA, LLC - CO · 15 routing rows
  • BOOST SUBSCRIBERCO L.L.C. · 15 routing rows
  • ONVOY SPECTRUM, LLC · 14 routing rows
  • LEAP TELECOM, LLC · 11 routing rows
  • NUSO, LLC · 9 routing rows
  • T-MOBILE USA, INC. · 9 routing rows
  • MULTIPLE OCN LISTING · 9 routing rows
NPA-NXX

Prefix directory inside area code 983

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
983-200-XXXX LONGMONT Longmont CO
983-201-XXXX DENVER Denver CO
983-202-XXXX DENVER Denver CO
983-203-XXXX DENVER Denver CO
983-204-XXXX DENVER Denver CO
983-205-XXXX STRASBURG Strasburg CO
983-206-XXXX FORTLUPTON Fort Lupton CO
983-207-XXXX LONGMONT Longmont CO
983-208-XXXX DENVER Denver CO
983-209-XXXX FORTLUPTON Fort Lupton CO
983-210-XXXX DENVER Denver CO
983-211-XXXX XXXXXXXXXX CO
983-212-XXXX DENVER Denver CO
983-213-XXXX LONGMONT Longmont CO
983-214-XXXX DENVER Denver CO
983-215-XXXX DENVER Denver CO
983-216-XXXX DENVER Denver CO
983-217-XXXX DENVER Denver CO
983-218-XXXX DENVER Denver CO
983-219-XXXX DENVER Denver CO
983-220-XXXX DENVER Denver CO
983-221-XXXX DECKERS Deckers CO
983-222-XXXX ROGGEN Roggen CO
983-223-XXXX LONGMONT Longmont CO
983-224-XXXX DENVER Denver CO
983-225-XXXX DENVER Denver CO
983-226-XXXX LONGMONT Longmont CO
983-227-XXXX FORTLUPTON Fort Lupton CO
983-228-XXXX DENVER Denver CO
983-229-XXXX DENVER Denver CO
983-230-XXXX LONGMONT Longmont CO
983-231-XXXX DENVER Denver CO
983-232-XXXX DENVER Denver CO
983-233-XXXX DENVER Denver CO
983-277-XXXX DENVER Denver CO
983-311-XXXX XXXXXXXXXX CO
983-333-XXXX DENVER Denver CO
983-411-XXXX XXXXXXXXXX CO
983-444-XXXX DENVER Denver CO
983-456-XXXX DENVER Denver CO
983-500-XXXX STRASBURG Strasburg CO
983-511-XXXX XXXXXXXXXX CO
983-555-XXXX DIR ASST CO
983-587-XXXX DENVER Denver CO
983-611-XXXX XXXXXXXXXX CO
983-666-XXXX KEENESBURG Keenesburg CO
983-700-XXXX CO
983-711-XXXX XXXXXXXXXX CO
983-777-XXXX DENVER Denver CO
983-800-XXXX DENVER Denver CO
983-811-XXXX XXXXXXXXXX CO
983-880-XXXX DENVER Denver CO
983-888-XXXX DENVER Denver CO
983-900-XXXX DENVER Denver CO
983-911-XXXX XXXXXXXXXX CO
983-950-XXXX CO
983-955-XXXX DENVER Denver CO
983-958-XXXX CO
983-959-XXXX CO
983-976-XXXX CO
983-983-XXXX LONGMONT Longmont CO
983-999-XXXX DENVER Denver CO
Recent Signals

Latest complaint activity tied to 983

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

FTC report from COLORADO

November 2, 2026 at 3:21 PM

983-210-8206 was logged as a robocall. Category: Dropped call or no message. Violation date: October 29, 2026 at 3:07 PM.

FTC report

November 2, 2026 at 10:05 AM

983-226-6312 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 17, 2026 at 12:00 AM.

FTC report from Cumming, GEORGIA

October 29, 2026 at 5:34 PM

983-221-8129 was logged as a robocall. Category: Dropped call or no message. Violation date: October 28, 2026 at 5:36 PM.

FTC report from COLORADO

October 29, 2026 at 2:44 PM

983-201-4482 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 29, 2026 at 12:23 PM.

FTC report from Rochester, NEW YORK

October 29, 2026 at 2:06 PM

983-587-8061 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 29, 2026 at 2:04 PM.

FTC report from Portsmouth, OHIO

October 28, 2026 at 7:44 PM

983-201-2283 was logged as a robocall. Category: Medical & prescriptions. Violation date: October 28, 2026 at 7:35 PM.

FTC report from Wilton Manors, FLORIDA

October 28, 2026 at 5:38 PM

983-587-8243 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 28, 2026 at 5:35 PM.

FTC report from Depew, NEW YORK

October 28, 2026 at 12:11 PM

983-216-0922 was logged as a live voice. Violation date: October 28, 2026 at 12:01 PM.

FTC report from Steamboat Springs, COLORADO

October 28, 2026 at 11:31 AM

983-216-5974 was logged as a robocall. Category: Charities. Violation date: October 27, 2026 at 7:19 PM.

FTC report from MICHIGAN

October 27, 2026 at 6:01 PM

983-203-0471 was logged as a live voice. Category: Medical & prescriptions. Violation date: October 27, 2026 at 3:08 PM.

FTC report from Prosper, TEXAS

October 26, 2026 at 7:29 PM

983-221-8072 was logged as a robocall. Violation date: October 24, 2026 at 5:28 PM.

FTC report from INDIANA

October 26, 2026 at 7:02 PM

983-223-9313 was logged as a live voice. Violation date: October 26, 2026 at 6:27 PM.

FTC report from COLORADO

October 23, 2026 at 6:05 PM

983-221-8151 was logged as a robocall. Category: No Subject Provided. Violation date: October 23, 2026 at 12:00 AM.

FTC report from COLORADO

October 22, 2026 at 7:16 PM

983-221-3477 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 22, 2026 at 5:01 PM.

FTC report from Platteville, COLORADO

October 22, 2026 at 6:20 PM

983-200-6762 was logged as a robocall. Category: Dropped call or no message. Violation date: October 22, 2026 at 9:02 AM.

FTC report from Aurora, COLORADO

October 22, 2026 at 4:01 PM

983-212-3698 was logged as a robocall. Violation date: October 22, 2026 at 1:56 PM.

FTC report from PENNSYLVANIA

October 22, 2026 at 11:47 AM

983-237-2300 was logged as a unwanted call. Violation date: October 21, 2026 at 12:12 PM.

FTC report from Highlands Ranch, COLORADO

October 22, 2026 at 10:37 AM

983-226-8646 was logged as a live voice. Category: Home improvement & cleaning. Violation date: October 22, 2026 at 8:35 AM.

FTC report from Maricopa, ARIZONA

October 21, 2026 at 4:51 PM

983-227-4819 was logged as a robocall. Violation date: October 21, 2026 at 1:45 PM.

FTC report from ALABAMA

October 21, 2026 at 4:17 PM

983-226-4187 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 28, 2026 at 12:23 PM.

FTC report from Denver, COLORADO

October 21, 2026 at 3:51 PM

983-955-2027 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 21, 2026 at 6:00 AM.

FTC report from San Marcos, CALIFORNIA

October 21, 2026 at 2:45 PM

983-587-8150 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 21, 2026 at 10:03 AM.

FTC report from TEXAS

October 21, 2026 at 2:39 PM

983-228-1047 was logged as a live voice. Violation date: October 12, 2026 at 3:32 PM.

FTC report from Fort Collins, COLORADO

October 21, 2026 at 1:33 PM

983-209-0977 was logged as a live voice. Violation date: October 21, 2026 at 1:28 PM.

FTC report from Lakewood, COLORADO

October 21, 2026 at 11:59 AM

983-221-3128 was logged as a live voice. Violation date: October 21, 2026 at 12:00 AM.

FTC report from Puyallup, WASHINGTON

October 18, 2026 at 1:01 AM

983-226-6637 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 21, 2026 at 10:28 AM.

FTC report from Milton, FLORIDA

October 17, 2026 at 4:21 PM

983-221-8191 was logged as a live voice. Category: Home improvement & cleaning. Violation date: October 17, 2026 at 3:15 PM.

FTC report from Milton, KENTUCKY

October 17, 2026 at 3:37 PM

983-221-8167 was logged as a live voice. Violation date: October 17, 2026 at 1:17 PM.

FTC report from Milton, KENTUCKY

October 17, 2026 at 3:36 PM

983-221-8182 was logged as a live voice. Violation date: October 17, 2026 at 2:30 PM.

FTC report from Milton, FLORIDA

October 17, 2026 at 3:35 PM

983-221-8058 was logged as a live voice. Violation date: October 16, 2026 at 2:48 PM.

FTC report from Woodstock, ALABAMA

October 16, 2026 at 11:53 AM

983-227-4134 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 16, 2026 at 10:50 AM.

FTC report from Elizabeth, COLORADO

October 15, 2026 at 6:44 PM

983-216-8973 was logged as a unwanted call. Violation date: October 1, 2026 at 1:32 PM.

FTC report from Gulf Breeze, COLORADO

October 15, 2026 at 5:27 PM

983-221-8124 was logged as a robocall. Violation date: October 15, 2026 at 3:46 PM.

FTC report from IOWA

October 15, 2026 at 1:31 PM

983-900-0378 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 15, 2026 at 12:23 PM.

FTC report from Kenai, ALASKA

October 14, 2026 at 4:33 PM

983-221-8101 was logged as a robocall. Violation date: October 14, 2026 at 1:08 PM.

FTC report from Kenai, ALASKA

October 14, 2026 at 4:16 PM

983-221-8101 was logged as a robocall. Category: Dropped call or no message. Violation date: October 14, 2026 at 1:08 PM.

FTC report from Denver, COLORADO

October 14, 2026 at 3:32 PM

983-200-2153 was logged as a robocall. Category: Dropped call or no message. Violation date: October 14, 2026 at 7:01 PM.

FTC report from West Mifflin, PENNSYLVANIA

October 13, 2026 at 1:18 PM

983-226-5062 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 9, 2026 at 1:39 PM.

FTC report

October 13, 2026 at 8:45 AM

983-226-4640 was logged as a robocall. Violation date: October 6, 2026 at 2:50 PM.

FTC report from Morehead City, FLORIDA

October 12, 2026 at 10:38 PM

983-226-5286 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 7, 2026 at 12:26 PM.