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

BIG RAPIDS prefixes in area code 231

NANPA records 19 assigned NXX blocks to rate center BIG RAPIDS in area code 231, 3.3% of the 572 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. 9 holders hold those blocks, the largest being CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (4), MICHIGAN BELL TEL CO (4), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (3). The earliest assignment on record here is 2001-02-05 and the most recent 2021-10-26. 11 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

19 assigned blocks – 3.3% of 231
9 holders of record
11 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
231-250 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
231-279 Lumen LEVEL 3 COMMUNICATIONS, LLC - MI 2019-12-20 yes yes
231-287 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – yes yes
231-305 INTERACTIVE SERVICES NETWORK, INC. – no yes
231-349 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI – no yes
231-390 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2021-10-26 yes yes
231-408 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
231-416 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes
231-460 Onvoy ONVOY, LLCV - MI – yes yes
231-494 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes
231-527 AT&T MICHIGAN BELL TEL CO – yes yes
231-580 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2001-02-05 yes yes
231-591 AT&T MICHIGAN BELL TEL CO – no yes
231-592 AT&T MICHIGAN BELL TEL CO – no yes
231-598 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
231-629 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC – yes yes
231-660 123.NET, LLC 2002-08-27 yes yes
231-679 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2002-10-24 yes yes
231-796 AT&T MICHIGAN BELL TEL CO – 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
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI Verizon 4 21.1%
MICHIGAN BELL TEL CO AT&T 4 21.1%
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC T-Mobile 3 15.8%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 2 10.5%
AMERICAN MESSAGING SERVICES, LLC American Messaging 2 10.5%
LEVEL 3 COMMUNICATIONS, LLC - MI Lumen 1 5.3%
INTERACTIVE SERVICES NETWORK, INC. – 1 5.3%
ONVOY, LLCV - MI Onvoy 1 5.3%
123.NET, LLC – 1 5.3%

Frequently asked

Which prefixes belong to BIG RAPIDS in area code 231?

19 blocks: 250, 279, 287, 305, 349, 390, 408, 416, 460, 494, 527, 580 and 7 more, all listed in the table above.

Which carriers have numbers in BIG RAPIDS?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (4 blocks), MICHIGAN BELL TEL CO (4 blocks), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (3 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (2 blocks), AMERICAN MESSAGING SERVICES, LLC (2 blocks), LEVEL 3 COMMUNICATIONS, LLC - MI (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is BIG RAPIDS 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 231

All 572 prefixes in 231