I've been collecting various telephone test recordings from my local area.
Below is a list of "switch verification" recordings. These are a phone number that the phone company presumibly would call to see if they reached the correct switch.
List of CO's on this page found via https://www.co-buildings.com

Farmingdale, NY 5ESS

Huntington, NY 5ESS

Great Neck, NY 5ESS

Manhasset, NY 5ESS

Port Washington, NY 5ESS

Floral Park, NY 5ESS

Lynbrook, NY DMS-100
[Could not be reached]

Woodmere, NY 5ESS

Glen Cove, NY 5ESS

Roslyn, NY DMS-100
[Could not be reached]

Garden City, NY 5ESS

Hempstead, NY
[Could not be reached]

Mineola, NY DMS-100
[Could not be reached]

Westbury, NY DMS-100

Freeport, NY
[Could not be reached]

Long Beach, NY
[Could not be reached]

Oyster Bay, NY 5ESS
[Could not be reached]

Syosset, NY DMS-100

Hicksville, NY DMS-100

Levittown, NY 5ESS

Plainview, NY 5ESS
[Could not be reached]

Massapequa, NY CS2K
[Could not be reached]

Wantagh, NY 5ESS