Routing Number 102100853

Routing number 102100853 is assigned to Alamosa State Bank, a main office located at 2225 Main St, Alamosa, Colorado 81101. This nine-digit ABA routing transit number identifies Alamosa State Bank within the Federal Reserve's Kansas City district for processing ACH payments, direct deposits, wire transfers, and check clearing.

The first two digits (10) indicate the Federal Reserve Bank of Kansas City, digits 3-4 (21) identify the processing center, digits 5-8 (0085) are the institution identifier, and the final digit (3) is a checksum that validates the entire number using the ABA's modulus-10 algorithm.

To set up direct deposit with Alamosa State Bank, provide your employer with routing number 102100853 along with your account number. Your account number is separate from the routing number and can be found on the bottom of your checks (to the right of the routing number), in Alamosa State Bank's mobile app, or in online banking under account details.

You can verify this routing number on the bottom-left corner of any check from Alamosa State Bank, in the mobile app, or by calling 719-589-2564. Direct deposits using this routing number are processed through the Automated Clearing House (ACH) network and typically post within 1-2 business days.

Routing number 102100853 is registered for ACH transactions at Alamosa State Bank, including direct deposits, bill payments, payroll, and recurring transfers. ACH payments are processed in batches through the Federal Reserve and typically settle in 1-2 business days.

For domestic wire transfers, Alamosa State Bank may use a different routing number. Wire transfers are processed individually through the Fedwire system and settle same-day. Always confirm the correct wire routing number with Alamosa State Bank before initiating a wire — using an ACH routing number for a wire can cause the transfer to be rejected or delayed.

This main office of Alamosa State Bank is located at 2225 Main St, Alamosa, CO 81101. Alamosa State Bank operates in the Federal Reserve's Kansas City district, which serves as the regional hub for monetary policy and payment processing in this area.