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

SASABE prefixes in area code 520

NANPA records 3 assigned NXX blocks to rate center SASABE in area code 520, 0.4% of the 699 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. 3 holders hold those blocks, the largest being ONVOY, LLC - AZ (1), ARIZONA TEL. CO. (1), TON80 COMMUNICATIONS, LLC (1). The earliest assignment on record here is 2020-06-02 and the most recent 2022-02-18. 3 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

3 assigned blocks – 0.4% of 520
3 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
520-502 Onvoy ONVOY, LLC - AZ 2020-06-02 yes yes
520-823 ARIZONA TEL. CO. – yes yes
520-994 TON80 COMMUNICATIONS, LLC 2022-02-18 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
ONVOY, LLC - AZ Onvoy 1 33.3%
ARIZONA TEL. CO. – 1 33.3%
TON80 COMMUNICATIONS, LLC – 1 33.3%

Frequently asked

Which prefixes belong to SASABE in area code 520?

3 blocks: 502, 823, 994. The table above gives the holder of each.

Which carriers have numbers in SASABE?

ONVOY, LLC - AZ (1 block), ARIZONA TEL. CO. (1 block), TON80 COMMUNICATIONS, LLC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is SASABE 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 520

All 699 prefixes in 520