NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

WAUKESHA prefixes in area code 262

NANPA records 74 assigned NXX blocks to rate center WAUKESHA in area code 262, 11.7% of the 634 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 18 holders hold those blocks, the largest being WISCONSIN BELL INC (16), NEW CINGULAR WIRELESS PCS, LLC - IL (14), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI (12). The earliest assignment on record here is 2001-01-22 and the most recent 2025-10-29. 49 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

74 assigned blocks – 11.7% of 262
18 holders of record
49 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
262-212 Windstream PAETEC ITEL, LLC 2008-07-30 yes yes
262-219 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2014-09-15 yes yes
262-225 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2008-06-27 yes yes
262-226 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2012-07-31 yes yes
262-232 T-Mobile T-MOBILE USA, INC. 2013-09-09 yes yes
262-259 Charter TWC IP ENABLED SERVICES, LLC 2018-11-05 yes yes
262-271 T-Mobile T-MOBILE USA, INC. – no yes
262-278 Charter TWC IP ENABLED SERVICES, LLC 2010-11-04 yes yes
262-281 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2021-02-11 yes yes
262-282 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2018-05-01 yes yes
262-283 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2021-01-12 yes yes
262-290 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2009-11-02 yes yes
262-309 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2007-09-06 yes yes
262-312 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
262-316 Onvoy ONVOY, LLC - WI 2023-07-07 yes yes
262-333 Onvoy ONVOY, LLC - WI 2015-01-27 yes yes
262-336 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2012-12-20 yes yes
262-347 AT&T WISCONSIN BELL INC – yes yes
262-349 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2005-11-17 yes yes
262-350 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2023-01-27 yes yes
262-352 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2001-11-30 no yes
262-366 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
262-391 T-Mobile T-MOBILE USA, INC. – yes yes
262-399 Telnyx TELNYX LLC 2017-03-07 yes yes
262-408 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
262-409 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2010-10-06 yes yes
262-420 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2017-01-25 yes yes
262-422 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2010-05-26 yes yes
262-436 Windstream PAETEC ITEL, LLC – no yes
262-442 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2002-04-08 no yes
262-444 Onvoy ONVOY, LLC - WI 2015-08-13 yes yes
262-446 AT&T WISCONSIN BELL INC – no yes
262-451 Spok SPOK, INC. – no yes
262-453 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2024-04-10 yes yes
262-461 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2024-09-16 yes yes
262-501 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2006-04-24 yes yes
262-506 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC WI – yes yes
262-510 T-Mobile T-MOBILE USA, INC. – yes yes
262-513 AT&T WISCONSIN BELL INC – no yes
262-521 AT&T WISCONSIN BELL INC – no yes
262-522 TDS TDS METROCOM, LLC – no yes
262-523 AT&T WISCONSIN BELL INC – no yes
262-524 AT&T WISCONSIN BELL INC – no yes
262-526 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2025-10-29 yes yes
262-527 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2006-08-29 yes yes
262-542 AT&T WISCONSIN BELL INC – no yes
262-544 AT&T WISCONSIN BELL INC – no yes
262-547 AT&T WISCONSIN BELL INC – no yes
262-548 AT&T WISCONSIN BELL INC – no yes
262-549 AT&T WISCONSIN BELL INC – no yes
262-565 Lumen LEVEL 3 COMMUNICATIONS, LLC - WI – yes yes
262-574 AT&T WISCONSIN BELL INC – no yes
262-613 T-Mobile T-MOBILE USA, INC. – yes yes
262-650 AT&T WISCONSIN BELL INC – no yes
262-666 Onvoy ONVOY, LLC - WI 2017-09-26 yes yes
262-720 Lumen LEVEL 3 COMMUNICATIONS, LLC - WI 2010-09-30 yes yes
262-722 FRACTEL, LLC 2020-02-19 yes yes
262-751 T-Mobile T-MOBILE USA, INC. – yes yes
262-765 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2013-08-14 yes yes
262-793 TON80 COMMUNICATIONS, LLC 2021-04-08 yes yes
262-832 Windstream PAETEC ITEL, LLC – yes yes
262-844 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2001-01-22 no yes
262-875 AT&T AT&T ENTERPRISES, LLC 2014-09-23 yes yes
262-888 Onvoy ONVOY, LLC - WI 2012-12-24 yes yes
262-893 T-Mobile T-MOBILE USA, INC. – yes yes
262-896 AT&T WISCONSIN BELL INC – no yes
262-899 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2014-09-29 yes yes
262-928 AT&T WISCONSIN BELL INC – no yes
262-933 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2015-06-11 yes yes
262-951 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC WI – yes yes
262-953 Lumen LEVEL 3 TELECOM OF WISCONSIN, LP - WI – no yes
262-955 T-Mobile T-MOBILE USA, INC. 2011-02-28 yes yes
262-970 AT&T WISCONSIN BELL INC – no yes
262-983 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
WISCONSIN BELL INC AT&T 16 21.6%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 14 18.9%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI Verizon 12 16.2%
T-MOBILE USA, INC. T-Mobile 8 10.8%
ONVOY, LLC - WI Onvoy 5 6.8%
PAETEC ITEL, LLC Windstream 3 4.1%
TWC IP ENABLED SERVICES, LLC Charter 2 2.7%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 2 2.7%
TELEPORT COMMUNICATIONS AMERICA, LLC WI AT&T 2 2.7%
LEVEL 3 COMMUNICATIONS, LLC - WI Lumen 2 2.7%
TELNYX LLC Telnyx 1 1.4%
SPOK, INC. Spok 1 1.4%
TDS METROCOM, LLC TDS 1 1.4%
FRACTEL, LLC – 1 1.4%
TON80 COMMUNICATIONS, LLC – 1 1.4%
AT&T ENTERPRISES, LLC AT&T 1 1.4%
LEVEL 3 TELECOM OF WISCONSIN, LP - WI Lumen 1 1.4%
AMERICAN MESSAGING SERVICES, LLC American Messaging 1 1.4%

Frequently asked

Which prefixes belong to WAUKESHA in area code 262?

74 blocks: 212, 219, 225, 226, 232, 259, 271, 278, 281, 282, 283, 290 and 62 more, all listed in the table above.

Which carriers have numbers in WAUKESHA?

WISCONSIN BELL INC (16 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (14 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI (12 blocks), T-MOBILE USA, INC. (8 blocks), ONVOY, LLC - WI (5 blocks), PAETEC ITEL, LLC (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is WAUKESHA a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 262

All 634 prefixes in 262