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

POTSDAM prefixes in area code 315

NANPA records 12 assigned NXX blocks to rate center POTSDAM in area code 315, 1.5% of the 781 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 VERIZON NEW YORK, INC. (5), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY (1), NEW CINGULAR WIRELESS PCS, LLC - DC (1). The earliest assignment on record here is 2004-09-21 and the most recent 2004-09-21. 11 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 code 680 – overlay codes cover the same geography, so a rate center is served by all of them.

12 assigned blocks – 1.5% of 315
8 holders of record
11 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
315-212 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY – yes yes
315-244 AT&T NEW CINGULAR WIRELESS PCS, LLC - DC – yes yes
315-261 AT&T TC SYSTEMS, INC. - NY – yes yes
315-262 Verizon VERIZON NEW YORK, INC. – yes yes
315-265 Verizon VERIZON NEW YORK, INC. – no yes
315-267 Verizon VERIZON NEW YORK, INC. – yes yes
315-268 Verizon VERIZON NEW YORK, INC. – yes yes
315-274 SLIC NETWORK SOLUTIONS, INC. - NY 2004-09-21 yes yes
315-566 T-Mobile OMNIPOINT COMMUNICATIONS, INC. - NY – yes yes
315-603 NORTHLAND NETWORKS, LTD. - NY – yes yes
315-621 Onvoy ONVOY, LLC- NY – yes yes
315-742 Verizon VERIZON NEW YORK, 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
VERIZON NEW YORK, INC. Verizon 5 41.7%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY Verizon 1 8.3%
NEW CINGULAR WIRELESS PCS, LLC - DC AT&T 1 8.3%
TC SYSTEMS, INC. - NY AT&T 1 8.3%
SLIC NETWORK SOLUTIONS, INC. - NY – 1 8.3%
OMNIPOINT COMMUNICATIONS, INC. - NY T-Mobile 1 8.3%
NORTHLAND NETWORKS, LTD. - NY – 1 8.3%
ONVOY, LLC- NY Onvoy 1 8.3%

Frequently asked

Which prefixes belong to POTSDAM in area code 315?

12 blocks: 212, 244, 261, 262, 265, 267, 268, 274, 566, 603, 621, 742. The table above gives the holder of each.

Which carriers have numbers in POTSDAM?

VERIZON NEW YORK, INC. (5 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY (1 block), NEW CINGULAR WIRELESS PCS, LLC - DC (1 block), TC SYSTEMS, INC. - NY (1 block), SLIC NETWORK SOLUTIONS, INC. - NY (1 block), OMNIPOINT COMMUNICATIONS, INC. - NY (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is POTSDAM 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 315

All 781 prefixes in 315