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

TROY prefixes in area code 248

NANPA records 61 assigned NXX blocks to rate center TROY in area code 248, 7.8% of the 784 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. 14 holders hold those blocks, the largest being MICHIGAN BELL TEL CO (18), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (10), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (8). The earliest assignment on record here is 2001-01-25 and the most recent 2021-09-21. 41 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 208, 254, 272, 334 – overlay codes cover the same geography, so a rate center is served by all of them.

61 assigned blocks – 7.8% of 248
14 holders of record
41 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
248-244 AT&T MICHIGAN BELL TEL CO – no yes
248-247 123.NET, LLC – yes yes
248-250 Comcast COMCAST IP PHONE, LLC – yes yes
248-251 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2008-02-14 yes yes
248-269 AT&T MICHIGAN BELL TEL CO – yes yes
248-273 AT&T MICHIGAN BELL TEL CO – no yes
248-275 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-315 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2021-09-21 yes yes
248-321 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
248-362 AT&T MICHIGAN BELL TEL CO – no yes
248-379 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC – yes yes
248-404 AT&T MICHIGAN BELL TEL CO – yes yes
248-422 Windstream PAETEC ITEL, LLC – yes yes
248-434 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-457 AT&T MICHIGAN BELL TEL CO – yes yes
248-498 INTERACTIVE SERVICES NETWORK, INC. – no yes
248-509 Onvoy ONVOY, LLCV - MI – yes yes
248-515 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
248-519 Windstream PAETEC ITEL, LLC – yes yes
248-524 AT&T MICHIGAN BELL TEL CO – no yes
248-525 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2009-04-29 yes yes
248-526 AT&T MICHIGAN BELL TEL CO – no yes
248-528 AT&T MICHIGAN BELL TEL CO – yes yes
248-561 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
248-602 T-Mobile METROPCS, INC. 2011-05-16 yes yes
248-619 AT&T MICHIGAN BELL TEL CO – yes yes
248-635 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC – yes yes
248-670 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC – yes yes
248-680 AT&T MICHIGAN BELL TEL CO – no yes
248-687 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-688 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-689 AT&T MICHIGAN BELL TEL CO – no yes
248-703 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC – yes yes
248-709 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
248-720 Windstream PAETEC ITEL, LLC – yes yes
248-729 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-740 AT&T MICHIGAN BELL TEL CO – no yes
248-743 AT&T MICHIGAN BELL TEL CO – yes yes
248-764 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-765 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
248-781 Lumen CENTURYLINK COMMUNICATIONS, LLC 2015-06-17 yes yes
248-786 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-813 AT&T MICHIGAN BELL TEL CO – yes yes
248-817 Comcast COMCAST IP PHONE, LLC 2011-08-12 yes yes
248-823 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI – yes yes
248-824 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-825 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2010-05-14 yes yes
248-828 AT&T MICHIGAN BELL TEL CO – yes yes
248-835 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2002-05-08 yes yes
248-840 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2001-01-25 no yes
248-854 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2001-03-26 no yes
248-878 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2011-08-08 yes yes
248-879 AT&T MICHIGAN BELL TEL CO – no yes
248-906 T-Mobile METROPCS, INC. 2008-10-08 yes yes
248-918 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI 2001-10-01 yes yes
248-925 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI – yes yes
248-928 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes yes
248-930 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2002-05-23 no yes
248-953 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2002-09-17 no yes
248-964 AT&T MICHIGAN BELL TEL CO – no yes
248-989 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI – yes 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
MICHIGAN BELL TEL CO AT&T 18 29.5%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI Verizon 10 16.4%
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC T-Mobile 8 13.1%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI Verizon 5 8.2%
LEVEL 3 COMMUNICATIONS, LLC - MI Lumen 4 6.6%
TELEPORT COMMUNICATIONS AMERICA, LLC - MI AT&T 4 6.6%
PAETEC ITEL, LLC Windstream 3 4.9%
COMCAST IP PHONE, LLC Comcast 2 3.3%
METROPCS, INC. T-Mobile 2 3.3%
123.NET, LLC – 1 1.6%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 1 1.6%
INTERACTIVE SERVICES NETWORK, INC. – 1 1.6%
ONVOY, LLCV - MI Onvoy 1 1.6%
CENTURYLINK COMMUNICATIONS, LLC Lumen 1 1.6%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to TROY in area code 248?

61 blocks: 244, 247, 250, 251, 269, 273, 275, 315, 321, 362, 379, 404 and 49 more, all listed in the table above.

Which carriers have numbers in TROY?

MICHIGAN BELL TEL CO (18 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (10 blocks), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (8 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI (5 blocks), LEVEL 3 COMMUNICATIONS, LLC - MI (4 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - MI (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is TROY 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 248

All 784 prefixes in 248