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

MAYVILLE prefixes in area code 989

NANPA records 4 assigned NXX blocks to rate center MAYVILLE in area code 989, 0.6% of the 723 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. 4 holders hold those blocks, the largest being INTERACTIVE SERVICES NETWORK, INC. (1), TON80 COMMUNICATIONS, LLC (1), NEW CINGULAR WIRELESS PCS, LLC - IL (1). The earliest assignment on record here is 2001-12-05 and the most recent 2022-02-22. 3 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 701, 716, 920 – overlay codes cover the same geography, so a rate center is served by all of them.

4 assigned blocks – 0.6% of 989
4 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
989-548 INTERACTIVE SERVICES NETWORK, INC. 2001-12-05 no yes
989-566 TON80 COMMUNICATIONS, LLC 2022-02-22 yes yes
989-660 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
989-843 AT&T MICHIGAN BELL TEL CO – 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
INTERACTIVE SERVICES NETWORK, INC. – 1 25%
TON80 COMMUNICATIONS, LLC – 1 25%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 1 25%
MICHIGAN BELL TEL CO AT&T 1 25%

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 MAYVILLE in area code 989?

4 blocks: 548, 566, 660, 843. The table above gives the holder of each.

Which carriers have numbers in MAYVILLE?

INTERACTIVE SERVICES NETWORK, INC. (1 block), TON80 COMMUNICATIONS, LLC (1 block), NEW CINGULAR WIRELESS PCS, LLC - IL (1 block), MICHIGAN BELL TEL CO (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is MAYVILLE 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 989

All 723 prefixes in 989