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

BUTTONWLLW prefixes in area code 661

NANPA records 4 assigned NXX blocks to rate center BUTTONWLLW in area code 661, 0.6% of the 674 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 AMERICAN MESSAGING SERVICES, LLC (1), BHN IP ENABLED SERVICES, LLC (1), ONVOY, LLC - CA (1). 3 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

4 assigned blocks – 0.6% of 661
4 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
661-217 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes
661-469 BHN IP ENABLED SERVICES, LLC – yes yes
661-760 Onvoy ONVOY, LLC - CA – yes yes
661-764 Frontier FRONTIER CALIFORNIA INC. – 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
AMERICAN MESSAGING SERVICES, LLC American Messaging 1 25%
BHN IP ENABLED SERVICES, LLC – 1 25%
ONVOY, LLC - CA Onvoy 1 25%
FRONTIER CALIFORNIA INC. Frontier 1 25%

Frequently asked

Which prefixes belong to BUTTONWLLW in area code 661?

4 blocks: 217, 469, 760, 764. The table above gives the holder of each.

Which carriers have numbers in BUTTONWLLW?

AMERICAN MESSAGING SERVICES, LLC (1 block), BHN IP ENABLED SERVICES, LLC (1 block), ONVOY, LLC - CA (1 block), FRONTIER CALIFORNIA 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 BUTTONWLLW 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 661

All 674 prefixes in 661