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

NEWAYGO prefixes in area code 231

NANPA records 9 assigned NXX blocks to rate center NEWAYGO in area code 231, 1.6% 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. 8 holders hold those blocks, the largest being NEW CINGULAR WIRELESS PCS, LLC - IL (2), TELEPORT COMMUNICATIONS AMERICA, LLC - MI (1), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (1). The earliest assignment on record here is 2002-07-19 and the most recent 2022-01-10. 7 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

9 assigned blocks – 1.6% of 231
8 holders of record
7 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
231-245 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2009-07-17 yes yes
231-303 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - MI 2011-05-16 yes yes
231-380 T-Mobile OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2022-01-10 yes yes
231-414 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
231-452 Comcast COMCAST IP PHONE, LLC – yes yes
231-519 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 2002-07-19 no yes
231-605 Spok SPOK, INC. – no yes
231-652 AT&T MICHIGAN BELL TEL CO – yes yes
231-707 Onvoy ONVOY, LLCV - MI 2016-02-25 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
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 2 22.2%
TELEPORT COMMUNICATIONS AMERICA, LLC - MI AT&T 1 11.1%
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC T-Mobile 1 11.1%
COMCAST IP PHONE, LLC Comcast 1 11.1%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI Verizon 1 11.1%
SPOK, INC. Spok 1 11.1%
MICHIGAN BELL TEL CO AT&T 1 11.1%
ONVOY, LLCV - MI Onvoy 1 11.1%

Frequently asked

Which prefixes belong to NEWAYGO in area code 231?

9 blocks: 245, 303, 380, 414, 452, 519, 605, 652, 707. The table above gives the holder of each.

Which carriers have numbers in NEWAYGO?

NEW CINGULAR WIRELESS PCS, LLC - IL (2 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - MI (1 block), OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (1 block), COMCAST IP PHONE, LLC (1 block), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (1 block), SPOK, INC. (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is NEWAYGO 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