phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

773-603

You are reviewing the Area Code (NPA/NXX) report for 773-603. Did you mean to search the SMS short code 773603?

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
Raw Number773603
Basic Format773-603
NPA (Area Code)773
NXX603

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
773-603-0XXX6529T-MOBILE USA, INC.CHICGOZN10AS07/11/2005CHICAGO ZONE 10ILMW08/21/2005
773-603-1XXX6529T-MOBILE USA, INC.CHICGOZN10AS07/11/2005CHICAGO ZONE 10ILMW08/21/2005
773-603-2XXX6529T-MOBILE USA, INC.CHICGOZN10AS07/11/2005CHICAGO ZONE 10ILMW08/21/2005
773-603-3XXX6529T-MOBILE USA, INC.CHICGOZN10AS07/11/2005CHICAGO ZONE 10ILMW08/21/2005
773-603-4XXX6529T-MOBILE USA, INC.CHICGOZN10AS09/08/2005CHICAGO ZONE 10ILMW10/07/2005
773-603-5XXX6529T-MOBILE USA, INC.CHICGOZN10AS09/08/2005CHICAGO ZONE 10ILMW10/07/2005
773-603-6XXX6529T-MOBILE USA, INC.CHICGOZN10AS09/08/2005CHICAGO ZONE 10ILMW10/07/2005
773-603-7XXX6529T-MOBILE USA, INC.CHICGOZN10AS09/08/2005CHICAGO ZONE 10ILMW10/07/2005
773-603-8XXX6529T-MOBILE USA, INC.CHICGOZN10AS09/08/2005CHICAGO ZONE 10ILMW10/07/2005
773-603-9XXX6529T-MOBILE USA, INC.CHICGOZN10AS07/11/2005CHICAGO ZONE 10ILMW08/21/2005
773-603-XXXX6529T-MOBILE USA, INC.CHICGOZN10AS06/30/2005CHICAGO ZONE 10IL

Business/Government Phones on the 773-603 Prefix

PhoneNameAddress
773-603-0701TZ Services, Inc.

Reports

Anonymous User from Home, Illinois

June 18, 2025 at 4:33 PM

773-603-9754 reported as a Live Voice or Other. Received on June 17, 2025 at 1:12 PM.

Anonymous User from Jackson, Mississippi

April 30, 2025 at 5:53 PM

773-603-0536 reported as a Live Voice or Other. Received on April 30, 2025 at 2:00 PM.

Anonymous User from Chicago, Illinois

September 18, 2024 at 10:42 AM

773-603-1225 reported as a Robocall. Received on September 18, 2024 at 9:34 AM.

Anonymous User from , IL

May 3, 2024 at 12:30 PM

773-603-5441 reported as a Robocall. Received on May 3, 2024 at 11:14 AM.

Anonymous User from Chicago, Illinois

December 11, 2023 at 4:04 PM

773-603-3415 reported as a Robocall. Received on December 11, 2023 at 1:00 PM.

Anonymous User from Chicago, Illinois

November 29, 2023 at 6:23 PM

773-603-3415 reported as a Live Voice or Other. Received on November 29, 2023 at 6:00 AM.

Anonymous User from Chicago, Illinois

November 29, 2023 at 6:07 PM

773-603-3415 reported as a Live Voice or Other. Received on November 29, 2023 at 5:00 AM.

Anonymous User from Washington, Illinois

December 15, 2022 at 5:49 PM

773-603-2824 reported as a Robocall. Received on December 15, 2022 at 4:46 PM.

Anonymous User from Chicago, Illinois

September 28, 2022 at 3:28 PM

773-603-9744 reported as a Robocall. Received on September 28, 2022 at 10:48 AM.

Anonymous User from Akron, Ohio

September 9, 2022 at 4:16 PM

773-603-5950 reported as a Robocall. Received on September 9, 2022 at 3:45 PM.
Call for No Subject Provided

Anonymous User from , IL

July 21, 2022 at 2:35 PM

773-603-9711 reported as a Robocall. Received on July 8, 2022 at 9:19 AM.
Call for No Subject Provided

Most 'popular' numbers on this prefix:

773-603-0XXX: 773-603-0700 | 773-603-0706 | 773-603-0707 | 773-603-0787 | 773-603-0802 | 773-603-0806 | 773-603-0808 | 773-603-0810 | 773-603-0811 | 773-603-0815 |
773-603-1XXX: 773-603-1111 | 773-603-1122 | 773-603-1130 | 773-603-1131 | 773-603-1133 | 773-603-1199 | 773-603-1212 | 773-603-1220 | 773-603-1221 | 773-603-1222 | 773-603-1234 | 773-603-1300 | 773-603-1303 | 773-603-1308 | 773-603-1350 | 773-603-1353 | 773-603-1354 |
773-603-2XXX: 773-603-2144 | 773-603-2145 | 773-603-2147 | 773-603-2149 | 773-603-2188 | 773-603-2500 | 773-603-2525 | 773-603-2562 | 773-603-2591 | 773-603-2594 | 773-603-2599 | 773-603-2600 | 773-603-2610 | 773-603-2611 | 773-603-2614 | 773-603-2667 | 773-603-2668 | 773-603-2800 | 773-603-2810 | 773-603-2814 | 773-603-2816 | 773-603-2830 |
773-603-3XXX: 773-603-3238 | 773-603-3258 | 773-603-3270 | 773-603-3277 | 773-603-3278 | 773-603-3410 | 773-603-3411 | 773-603-3414 | 773-603-3443 | 773-603-3449 | 773-603-3456 | 773-603-3700 | 773-603-3740 | 773-603-3745 | 773-603-3747 | 773-603-3776 | 773-603-3777 | 773-603-3778 | 773-603-3800 | 773-603-3803 | 773-603-3808 |
773-603-4XXX: 773-603-4242 | 773-603-4248 | 773-603-4249 | 773-603-4272 | 773-603-4278 | 773-603-4279 | 773-603-4800 | 773-603-4883 | 773-603-4886 | 773-603-4888 | 773-603-4901 | 773-603-4903 | 773-603-4904 | 773-603-4960 | 773-603-4965 | 773-603-4966 |
773-603-5XXX: 773-603-5000 | 773-603-5003 | 773-603-5040 | 773-603-5043 | 773-603-5044 | 773-603-5050 | 773-603-5330 | 773-603-5333 | 773-603-5337 | 773-603-5357 | 773-603-5440 | 773-603-5445 | 773-603-5447 | 773-603-5880 | 773-603-5882 | 773-603-5883 | 773-603-5887 | 773-603-5950 | 773-603-5955 | 773-603-5987 | 773-603-5997 |
773-603-6XXX: 773-603-6122 | 773-603-6125 | 773-603-6126 | 773-603-6188 | 773-603-6197 | 773-603-6198 | 773-603-6332 | 773-603-6337 | 773-603-6362 | 773-603-6383 | 773-603-6385 | 773-603-6387 |
773-603-7XXX: 773-603-7310 | 773-603-7315 | 773-603-7317 | 773-603-7337 | 773-603-7372 | 773-603-7373 | 773-603-7410 | 773-603-7411 | 773-603-7414 | 773-603-7458 | 773-603-7500 | 773-603-7525 | 773-603-7527 | 773-603-7528 | 773-603-7530 |
773-603-8XXX: 773-603-8200 | 773-603-8201 | 773-603-8207 | 773-603-8258 | 773-603-8282 | 773-603-8283 | 773-603-8800 | 773-603-8808 | 773-603-8870 | 773-603-8877 | 773-603-8878 | 773-603-8899 |
773-603-9XXX: 773-603-9000 | 773-603-9003 | 773-603-9008 | 773-603-9070 | 773-603-9071 | 773-603-9077 | 773-603-9452 | 773-603-9453 | 773-603-9457 | 773-603-9460 | 773-603-9462 | 773-603-9468 | 773-603-9500 | 773-603-9550 | 773-603-9560 | 773-603-9565 | 773-603-9569 | 773-603-9706 | 773-603-9707 | 773-603-9710 | 773-603-9712 | 773-603-9717 | 773-603-9778 |